SQL Mobile 2005 Replication - SQL Mobile DLL Could Not Be Loaded - Error 28559
Jun 15, 2006
I am migrating a pocket PC application from VS 2003 to VS 2005 and a few weeks ago I hit the following problem when replicating
A SQL Mobile DLL could not be loaded. Reinstall SQL Mobile. [ DLL Name=sqlceca30.dll]
Scanning forums for help I saw that other people had had this problem and one
http://www.eggheadcafe.com/aspnet_answers/NETFrameworkCompactFramework/Feb2006/post25814466.asp
suggested that this problem could be circumvented by getting the replication object early and then continuously using the same object for subsequent replications.
I did this and it works a lot better now but ever so often I get another error which is
Native Error 28559 SQL Mobile encountered problems when opening the database
My only option at this point is to stop and start the application which cures the problem.
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Sep 8, 2007
I receive error 25123 on my PPC (audiovox 6600) in a reproducable way (usually) with .net 2.0 application that is using SQL CE that I wrote:
Open the application
Connect to the database
Close the applicaton
Re-Open the application
Connect to the database <-- Error occurs
I will also receive the error if my application isn't the first application launched (or very close to the first to launch).
I don't believe it's a memory issue as according to the memory manager I have plenty of memory:
At boot up only start screen items loaded: 18.46 Used 49.89 Free
Launch Resco File Explorer to click EXE: 19.18 Used 49.18 Free
Launch my application (no DB connection): 23.64 Used 44.71 Free
Connect to the DB and do select count(*) from a table with 0 rows: 26.27 Used 42.08 Free
Close the application (this.Close() on the form: 19.38 Used 48.97 Free
Relaunch App and connect to DB receive error: around 38 Used around 30 free
I was unable to reproduce the issue right now while typing this message, the last sets of numbers are from memory, and include other applications that are currently running.
The only way I have to get SQL CE to load again is to soft reset the PPC. If the application is able to connect to SQL CE at least once it is fine up till I close it and re-open the application. So it either connects and runs great, or it can't connect at all.
Any help in resolving this issue would be greatly appreciated.
Wayne
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Aug 8, 2006
Dear ppl,
I am writing an application for a device (MDA Pro T-Mobile) having Windows Mobile 5.0 using
-MS .NET Compact Framework 2.0 SP-1
-SQL Mobile 2005.
-VS 2005 .NET
The application uses Merge Replication. The error occurs in the Synchronise() Method of the SqlCeReplication object.
"SQL Server Mobile encountered problems when opening the database."
repl.AddSubscription(AddOption.CreateDatabase);
repl.Synchronize();
I don't understand why I am having this error. It does create the database on AddSubscription() method but it is failing opening the database on Synchronise(). I have also tried uninstalling and then reinstalling all the SQL Mobile components in the following order.
-sqlce30.wce5.armv4i.cab
-sqlce30.repl.wce5.armv4i.cab
-sqlce30.dev.ENU.wce5.armv4i.cab
However, when i run this application on a device(Dell X50 AXIM) with Pocket PC 2003, it runs fine creating the database and sysnchronising it.
The target platform for the project is Windows Mobile 5.0 Pocket PC SDK.
Does any one have any clue what could be the problem ?
Regards
Nabeel
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Mar 23, 2006
Hello,
I am developping a non-managed C++ application for PocketPC using a SQL Server mobile database.
The application is compiled for PocketPC 2003 and uses SQL Server Mobile v2. I use Visual Studio 2005. But I need to compile the application for Windows Mobile 5.0 devices. So I installed the WM5 SDK and had the WM5 into my project configuration.
The "ssceoledb.h" which I include incluses the "transact.h" file. But my problem is that this file is only provided with the PocketPC 2003 SDK and not in the WM5 SDK.
So I cannot use the WM5 configuration project with SQL Server. I also tried with the last SQL Server Mobile 2005 (ie v3.0) and the "ssceoledb30.h" also includes "transact.h".
Did I miss something to install ?
Do you know how I can resolve the problem ?
By advance, thank you for any answer.
--
Gregoire
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Apr 25, 2006
We are using SQL 2005 (SP1) and mobile agents with SQL Mobile. We are seeing an excessive number of updates after a device's database is reinitialized. My understanding was that if I generate a new snapshot or reinitialize all subscriptions (from the server), the devices would only get what the database looks like right now (inserts only) after syncing and/or reinitializing, but they are actually getting the right number of inserts and a huge number of updates in Replication Monitor. Any ideas?
Thanks!
Mike
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Feb 7, 2006
Hello,
I've
been trying to convert an application to use the CF 2.0, and of course
to SQL Server Mobile. There have been some kinks along the road, but
I've worked all of them out except an error on replication. When I call
the SqlCeReplication's Synchronize() method, the connection goes fine,
it works for about 20-30 seconds, and then comes up with the following
error:
Error code: 0x80004005
Message: The data types cannot be converted implicitly. [ Source data type = nvarchar,Destination data type = image ]
Native error: 25932
Source: Microsoft SQL Server 2005 Mobile Edition
Error Param: nvarchar
Error Param: image
I've
tried upgrading from SQL Server 2000 to 2005 to see if that helped, but
got the same result. I even tried running this from a fresh install of
SQL Server 2005, hoping that'd integrate better with SQL Server Mobile, but that didn't help either.
I found a knowledge base article about error code 0x80004005:
http://support.microsoft.com/kb/912428
However, none of my tables are even remotely close to having 127 columns, so that can't be it.
I
do have an image data type column in one of my tables, but why is a
column being converted from nvarchar to image? Both SQL Server 2005 and
SQL Server Mobile support the image data type, so I don't
understand how that could be causing a problem in the first case.
Any ideas? I've run out of things to try and would appreciate any feedback.
Thanks,
Adrien.
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Oct 18, 2007
Hi,
I'm currently investigating the feasibility of having SQL Mobile on a number of devices running Windows CE. These devices will have to synchronize with the server (either using merge replication or RDA) over GPRS. The problem I have is that some of these devices will never be online. Is there are a way of synching these offline devices? The model I had in mind was using a USB key (or some other storage device) to download the latest updates from an online device and transferring this data to the offline device, and vice versa e.g. from offline to online and then merging. Is this feasible?
Thanks
Csharper
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Feb 8, 2006
I am in the process of testing a SQL 2005 Std x64 server with merge replication using Windows Mobile 5.0 clients and SQL 2005 Mobile. The test DB is a copy of the currently active DB, but has been expanded to include some new tables to support planned application functionality extensions.
Once the publication exceeds 97 Articles, the error is thrown that "The buffer pool is too small or there are too many open cursors". If I drop one article everything is fine. I ran a test with dummy DB that had 100 blank tables, and this initialized just fine on the client. The additional articles I am publishing (the 98th table) is also empty, but it throws the error anyway.
Is there a limit on the total size/number of changes that can be sent? Since I have run tests sending over 64,000 changes to a client during initialization this does not seem to be the case (I am only attempting a little more than 9,700 changes on this initialization).
Some other ideas that have been tested without success are to stop the user triggers from propagating, and toggling the AWE setting for SQL. The Replication Monitor does say the client completes replication, and it seems to choke at the very end of completing replication when it attempts to write to the tracking tables. The last successful action is sys.sp_MSadd_merge_history90, and it appears to be acting on the last table added to the publication.
There does not appear to be a limit on the number or articles, since I can publish more articles in a dummy DB than I am able here, so it seems to be something to do with size. Any information would be helpful, this is a very frustrating issue. Thanks!
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Jan 10, 2006
I have a question for anyone who mas some tips/pointers for optimizing SQL merge replication publications.
The front end web server is running IIS 6.0 on Windows 2003 x86 Server Standard (Server A). The back end database server is running SQL 2000 Standard on Windows 2003 x86 Standard (Server B). The merge replication clients connect via HTTPS over the Internet from a custom C#.NET 2005 application using SQL 2005 Mobile running on Windows Mobile 5.0 (Client).
The publication itself has several filters on it. The entry point uses the user's Windows username to start the filter. Based on the user, it then filters the records in multiple tables. There are 68 articles and 44 filter statements. The filters extend multiple layers deep, in other words they are not all filtering off the HOST_NAME() variable, some tables filter from records in tables that filter from the HOST_NAME() variable. The publication is set to minimize data sent to the clients, and considers a subscription out of date if it has not synced in the last 4 days. All the rowguids are indexed as well.
There are approximately 35 clients actively using the application at any given time. On average, a client will initiate a merge replication 3-4 times per hour from 8am-5pm. Generally, a sync will take between 10 seconds and 2 minutes to complete, with most of them being around 30 seconds on average.
When a client starts a sync, there is a spike to about 50% on the server's CPU graph. If multiple clients attempt to sync at the same time the CPU utilization can be pushed to 100% for extended periods (more than 30 seconds).
I recently completed a project to increase the bandwidth available to the clients, and plan to reduce the number of filters significantly (although this will obviously increase the amount of data going to the clients and the storage needs on the individual devices). I also plan on changing the setting to not minimize the amount of data sent to the clients.
Having said all that, does anyone have any information about how to further optimize merge publications to mobile clients? The next publication will be on SQL 2005 x64 Standard if I can solve the issues in the text environment. I would like to enhance the publication as much as possible to make the end user experience better than it currently is.
Thanks!
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Jan 24, 2007
Hi,
Is there any way to measure bandwith usage during merge replication between sql server 2005 and sql server mobile 2005 running on a cradled wm5 mobile device.
Attaching the windows performance monitor to the network connection established over usb would work although I was wondering if there was something specific for this case integrated into Sql server 2005 / sql server mobile 2005 / Sql server management studio / third party tools that i could use ?
thnx,
pdns.
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Apr 10, 2008
I have written following code in my application
I just want to display all the data of a Single table into a Data Grid, I know that we can drag and drop the table on to a form and datagrid is generated, but here I want to retrive those values through my code, how should i do that
I am getting following errors while running the program
Error 1) Error No. 28037, MS SQL Server 2005 Evrywhere Edition
Error: A request to send data to the computer running IIS has failed. For more information see HRESULT
Error 2) Error No. 0, SQL Server 2005 Evrywhere Edition ADO.Net Data Provider
Error: The specified table does not exist [ JobLists ].
Can anybody please tell me, where I went wrong ??? In this code anywhere else????
Note: While adding a Data Source of SQL Server 2005 Mobile Edition, I have added that .sdf file into my project, thats why I have written the Data Source as : .DbFile.sdf
@"Data Source = .DbDotNetCF.sdf";
The code is as follows:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlServerCe;
namespace DeviceApplication1
{
public partial class Form1 : Form
{
string filename = @".DbDotNetCF.sdf";
private DataSet dsJobLists;
public Form1()
{
InitializeComponent();
}
private void DeleteDB()
{
if (System.IO.File.Exists(filename))
{
System.IO.File.Delete(filename);
}
}
private void Sync()
{
SqlCeReplication repl = new SqlCeReplication();
repl.InternetUrl = @"http://localhost/WebsiteDotNetCF/sqlcesa30.dll";
repl.Publisher = @"RAHU";
repl.PublisherDatabase = @"DotNetCF";
repl.PublisherSecurityMode = SecurityType.NTAuthentication;
repl.Publication = @"PubDotNetCF";
repl.Subscriber = @"SubDotNetCF";
repl.SubscriberConnectionString = @"Data Source='" + filename + "';Max Database Size=128;Default Lock Escalation =100;";
try
{
if (!System.IO.File.Exists(filename))
{
repl.AddSubscription(AddOption.CreateDatabase);
}
repl.Synchronize();
}
catch (SqlCeException ex)
{
DisplaySQLCEErrors(ex);
}
finally
{
repl.Dispose();
}
// Display Same Data In Another DataGrid : dataGrid1
SqlCeConnection cn = new SqlCeConnection(@"Data Source='" + filename + "'");
SqlCeDataAdapter daJobLists = new SqlCeDataAdapter("SELECT JobListsID, JobID, PersonID FROM JobLists", cn);
if (dsJobLists == null)
{
dsJobLists = new DataSet();
}
try
{
dsJobLists.Clear();
daJobLists.Fill(dsJobLists, "JobLists");
dataGrid1.DataSource = dsJobLists.Tables["JobLists"];
}
catch (SqlCeException ex)
{
DisplaySQLCEErrors(ex);
}
}
private void DisplaySQLCEErrors(SqlCeException ex)
{
for (int i = 0; i < ex.Errors.Count; i++)
{
MessageBox.Show("Index #" + i.ToString() + ""
+ ex.Errors.Source + ""
+ "Error: " + ex.Errors.Message,
"Error No. " + ex.Errors.NativeError.ToString());
}
}
private void Form1_Load(object sender, EventArgs e)
{
Sync();
DeleteDB();
if (DbDotNetCFDataSetUtil.DesignerUtil.IsRunTime())
{
// TODO: Delete this line of code to remove the default AutoFill for 'dbDotNetCFDataSet.JobLists'.
this.jobListsTableAdapter.Fill(this.dbDotNetCFDataSet.JobLists);
}
}
}
}
I have created a merge replication correctlly( I suppose, there were no errros)
Please help
Your help will be appriciated
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Nov 15, 2006
We have setup a 32-bit IIS server on a 32-bit machine. Installed necessary SQL Server components (32-bit replication components). We have installed SQL Server 2005 64-bit SP1 with latest hotfixes on a 64-bit machine.
On the Mobile device we installed SQL Server 2005 Mobile.
When we start mergereplication the problem we have is error 28009 (An instance of the SQL Server Reconciler cannot be created) on the mobile device. I read allot about it, but still have a questetion.
Should this work?
I found the doc: SQL Server 2005 Upgrade Technical Resource Guide:
Note: If your upgrade involves SQL Server CE subscribers, you must perform additional actions on the IIS server. You will need to install SQL Server 2005 client connectivity components along with SQL Server Mobile Edition components on the IIS server. You will also have to replace sqlcesa30.dlll, sqlcerp30.dll, and all the replication components on the IIS server.
From this I conclude it should work or is the doc in error?
If it does not, what can we do?
32-bit SQL Server 2005 on the 64-bit machine should work. (Can a 64-bit SQL Server 2005 run alongside 32-bit SQL Server 2005?).
Beste regards,
Hans Mank
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Apr 5, 2006
We have a PDA application (Net CF 2.0) which uses sql mobile and synchronises to a SQL Server 2000 database (merge replication).
We were using SQL CE 2.0 on the PDA earlier and moved to using SQL mobile recently. Since this move we are getting error 28559 (SQL Server Mobile encountered problems when opening the database - says in the documentation). The error does not happen regularly. When it occurs the device needs a soft reset to recover from the error / close the application and start again. Problem happens more frequently on XDA Exec (http://shop.o2.co.uk/shop/handset/O2/XDAExec:3G) running WM5 compared to devices running Windows Mobile 2003 2nd Edition for Pocket PC phone edition.
I had a chat with one of the Microsoft online support person and what he said was to close the database before synchronising and also to check if the database on the PDA can be open normally using code when the error occurs. We have tested both scenarios and the error still comes. We do not use emulator in our developments. Any advice/help on this issue would be appreciated.
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Jan 28, 2008
Hi All, this system is scheduled to go live in near to a day... but i have hit an issue when switching on SSL. Any help would be greatly appreciated.
Device Env:
Windows Mobile 5.0 + Messaging and Security Feature Pack
SQL Server Mobile 2005.
Merge replication works fine without SSL. After running the Configure Web Sync wizzard to setup SSL merge replication no longer works. Note i checked using pocket IE by browsing to https://mycompany.com/pub/sqlcesa30.dll?diag and all worked fine. There was no prompt saying the cert was bad etc.
The certificate is a:
Equifax secure global ebusiness CA-1 cert.
Signature algorithm md5RSA
public key RSA(1024 bits)
thumbprint algorithm sha1
Stacktrace given is:
- ex {"A request to send data to the computer running IIS has failed. For more information, see HRESULT."} System.Data.SqlServerCe.SqlCeException
- Errors {System.Data.SqlServerCe.SqlCeErrorCollection} System.Data.SqlServerCe.SqlCeErrorCollection
Count 1 Integer
Item In order to evaluate an indexed property, the property must be qualified and the arguments must be explicitly supplied by the user. System.Data.SqlServerCe.SqlCeError
HResult -2147012858 Integer
InnerException Nothing System.Exception
Message "A request to send data to the computer running IIS has failed. For more information, see HRESULT." String
NativeError 28037 Integer
Source "Microsoft SQL Server 2005 Mobile Edition" String
StackTrace "at System.Data.SqlServerCe.NativeMethods.CheckHRESULT()
at System.Data.SqlServerCe.SqlCeReplication.Synchronize()
at MyApp.Helper.Replication.SynchronizeInit()
at MyApp.CallSynchronize()
at System.Windows.Forms.Control.OnGotFocus()
at System.Windows.Forms.Control.WnProc()
at System.Windows.Forms.ContainerControl.WnProc()
at System.Windows.Forms.Form.WnProc()
at System.Windows.Forms.Control._InternalWnProc()
at Microsoft.AGL.Forms.EVL.EnterMainLoop()
at System.Windows.Forms.Application.Run()
at MyApp.Program.Main()
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Jan 10, 2006
I am having trouble with getting Merge Replication up with a new SQL 2005 x64 Server. I already have it running smoothly with SQL 2005 Mobile and SQL 2000, but I want to migrate the backend to SQL 2005.
There is a front end server running IIS 6.0 on Windows 2003 x86 Standard (Server A) with SSL required and Basic Authentication set as the only authentication method (default Domain and Realm are also set). The backend server is running SQL 2005 x64 Standard on Windows 2003 x64 Standard (Server B). The mobile devices are running Windows Mobile 5.0 with SQL 2005 Mobile (Client).
From both a standard Windows XP workstation (IE) and the Client (PIE) I can browse to the HTTPS site on port 444 for the sqlcesa30.dll on Server A and get a response in normal and ?diag modes. The ?diag gives success in all but the 8.0 Database Reconciler (I didn't install the SQL 2000 replication components on Server A, my understanding is they should not be needed). Sql Server Module Versions are as follows: sqloledb.dll - 2000.86.1830.0, 9.0 replrec.dll - 2005.90.1399.0, 9.0 replprov.dll - 2005.90.1399.0, 9.0 msgprox.dll - 2005.90.1399.0.
The publication on Server B is enabled for Web Synchronization and the Snapshop Agent has run. There are no reported errors on that side.
Since I ran into issues getting synchronization to run I have opened up permissions fairly wide in this test environment. The PAL and the Database both have the user I am attempting to sync with listed (I am using the Administrator account in the test domain). I have opened full rights on the Snapshot share on Server B to Everyone (both NTFS ACL on the directory and the Share permissions). The virtual directory on Server A containing the sqlcesa30.dll has also been opened very wide, and the Application Pool does have access to it.
The Client is running a custom C#.NET 2005 application. With the exception of changes to set the application to sync with the Server A/B duo instead of the production servers, this application is identical to the code currently being used in production with SQL 2000 Standard.
The persistent error that I am getting from the Client being thrown by SQL 2005 Mobile when I attempt to sync is "An instance of the SQL Server Reconciler error object cannot be created. Try reinstalling the replication components."
SQL 2005 Mobile components on Server A are set to Logging Level 3 but not returning any errors that I can see to troubleshoot with. All replication components appear to be installed and operational, although I have re-installed them.
Besides the obvious question of how to solve the error listed above, is there an issue with am x85 front end IIS 6.0 server talking to an x64 back end SQL 2005 server for merge replication over HTTPS with Windows Mobile 5.0 clients running SQL 2005 Mobile?
Based on everything I have read off the MSDN Forums, MSDN articles, BOL, log files, and web searches it seems like I should have an operational synching topology, however clearly I have missed something because I have yet to get a successful subscription through to the publication.
Any insight/enlightenment would be greatly appreciated, this seems to be a very narrow and specific area of replication and mobility and information is relatively sparse from my experience so far.
Thanks!
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Sep 16, 2007
Hi:
When I try and connecto to SQL CE I always get an invalid operation exception. I"m afraid that I did not follow the proper install for Orcas Beta 2. I can't remember if I was supposed to uninstall SQL Mobile 2005 first or not.
All I know is when I try and use my SQL CE I can't connecto to a DB / sdf file ?
Any help would be appreciated I"m just starting to use SQL CE.
thanks
mark
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Jan 27, 2006
I have smilar kind of an issue with replication. I had sucessfully done replication with Sqlce2.0 on sql server 2000. In development machine I had VS 2003, sqlce development tools.
Now I use the same code done in VS 2003 into VS2005, it sucessfully converted the code.
In server machine (win 2003) I installed sql server 2000, sql server 2000 service pack 4, SP4 merge replication components, sql server 2005 mobile server tools and .Net framework 2.0. Created pubication sucessfuly. In this machine I configured IIS as per the web synchronization wizard. Gave anyonymous permissions. Virual direcory is created sucessfully. I tested the server agent in IE http://myservername/aliasname/sqlcesa30.dll.
SQL Server Mobile Server Agent 3.0 is shown
My application opened successfuly in windows mobile 5.0 Pocket PC emulator. When try to sync its dislays error "A request to send data to the computer running IIS is failed, see Hrresult"
No firewall in both development and server machines.
The same code works if its sqlce20 perfectly with vs2003 code. Not in this
Can anyone tell me whats wrong in this?
Regards
Arif
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May 18, 2006
Using MS VS 2005 (incl SQL Server Mobile)
MS Pocket PC 2005 SDK
I am working on a project that builds for Pocket PC on both Mobile 2003 and Mobile 5. The project uses/will use SQL Server Mobile to store local data.
Project created from new with support for both platforms. I include required header files ssceerr30.h and ssceoledb30.h.
Project builds fine in WM2003 configuration, release and debug.
When I build for WM5 the compiler cannot find the header file transact.h. This is included from within ssceoledb30.h. Same as under WM2003.
In WM2003 configuration if I highlight the ssceoledb30.h include in Visual Studio and open the header, it takes me to <Visual Studio dir>SmartDevicesSDKSQL ServerMobilev3.0. I then locate the include for transact.h and do the same, which takes me <Visual Studio dir>SDKPocketPC2003include. The file exists.
If I repeat the above 'browsing' under the WM5 configuration, ssceoledb30.h takes me to a different copy in the WM5 SDK directory. There is no diff between the file here and the other copy used by WM2003. If I attempt to open transact.h - file does not exist.
Fix (which I'm not too sure about, i.e. is it OK?) - If I copy transact.h to the WM5 SDK directory, the project builds.
Why has transact.h disappeared from WM5 SDK?
I can find no ref's to this problem anywhere. Is my installation of the WM5 SDK corrupt? What else could I be missing?
Is there a sample for SQL Server mobile (like the NorthwindOLEDB sample) that comes configured to build for WM5?
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Mar 6, 2006
It is possible to access a Sql Server 2005 Mobile database in a VS2003 application (compact framework) ?
Thanks
Robson
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Apr 24, 2006
Hi folks, I'm new to Windows Mobile progamming, and new to this forum. Apologies in advance if I'm asking a boneheaded question, but I've done searches and can't find anything directly applicable to my problem.
I'm currently walking through the published MS tutorial in setting up an SQL Server 2005 Mobile application that subscribes to a publication on SQL Server 2005 to exchange information.
I've gotten almost all the way through... successfully set up the server components, creating the publication, etc. On the mobile side, I've been able run the cab files to install the SQL Mobile components and to create the project, add the reference to the dll, and instantiate an engine object. It compiles.
The step in the tutorial after that, though, where you specify the data source from the "data" menu, I've got a problem. When I try to use the "new connection" dialog from choosing the data connection, "MS SQL Server Mobile Edition" doesn't show up as a choice. I've tried choosing any of the other combinations, and in teh subsequent "Connection properties" section my database, SQLMobile (as in their sample) is available, but I get an error when I choose it and click OK. Clicking on "Test Connection" gives me a connection successful message.
My guess is that something about the Mobile server side components is not installed correctly on my development machine, but honestly I have no idea how to begin to fix it. Has anyone seen this problem before and know how to resolve it?
Your time and any knowledge sharing is greatly appreciated.
Thank you,
-Dana
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Jul 21, 2006
This is a great tutorial and it's a shame one of the more important steps was missed.
In the €œCreate the snapshot user€? section you you find the steps to create the snapshot_agent account. Then in the €œCreate the snapshot folder€? section you find the share and folder permissions. However, at no point do the instructions advise you about adding the snapshot_agent to the SQL Server Logins. The result is that agent cannot perform the initial snapshot but you won't find this out until 50 steps later after Step 10 in the section €œCreate a new subscription".
To get back on track, openthe Object Explorer's Security section and add the snapshot_agent to your logins. Then using the "User Mappings", set an appropriate level for the SQLMobile database role. Once completed you then need to run the agent.
Right-click the SQLMobile publication you created and select "View Snapshot Agent status". From that dialog you can select "Start" to run the agent. When it completes, you can return to the tutorial section "Create a new subscription" and continue with the tutorial.
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Nov 3, 2007
I am studying the tutorial in SQL Server 2005 Mobile Edition Books Online, and the topic is Creating a Mobile Application with SQL Server Mobile. I have got a problem when creating a new subscription after created a new SQL Server Mobile database. And the problem is shown below:
New Subscription Wizard
- Beginning Synchronization (Success)
- Synchronizing Data (100%) (Error)
Messages
* Failure to connect to SQL Server with provided connection information. SQL Server does not exist, access is denied because the IIS user is not a valid user on the SQL Server, or the password is incorrect.
HRESULT 0x80004005 (29061)
* 無法完æˆ?作æ¥ã€‚
- Finalizing Synchronization (Stopped)
- Saving Subscription Properties (Stopped)
Before I have met this problem, I have finished all the task. And I can browse the localhost web site by using anonymous account even I use internet explorer or browse the directly in IIS.
Does anyone can solve it?? Thank you very much~~~
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Feb 2, 2006
I am working with merge replication. The db server is running Windows 2003 Server Std x64 with SQL 2005 Std x64. The IIS server is running Windows 2003 Server Stx x86. The clients are Windows Mobile 5.0 running SQL 2005 Mobile.
I have previously been able to get the test client to initialize a subscription to the publication. I made some changes recently and added about 7 tables, bringing the total articles to 104. Some of the articles have unpublished columns, which means they are using vertical filtering as well. This publication is also using parameterized filters. During publication creation, there are several warnings that "Warning: column 'rowguid' already exists in the vertical partition".
The snapshot agent runs without any errors. When the client attempts to initialize, I get the error "The buffer pool is too small or there are too many open cursors."
My question is 2 part. First, what is causing this error, and second, how can it be resolved?
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Aug 11, 2006
I have the following setup
Server 1: Windows 2003 inc IIS. Also on this server is SQL Server Web sync web service and it has an external IP address for internet connectivity
Server 2: Windows 2003 inc SQL Server 2005. This server has a database setup with replication so the a Window Mobile 5 device can do a merge replication.
My problem is that the replication fails when trying to send the snap shot from Server 2 to the mobile device. The device seems to get through to the replication agent, as entries in the Replication monitor are logged (see below).
I have checked all the permissions on the relevant shares required for replication (basically set "Everyone" with full access).
My initial question would be.... When the snapshot is been sent to the mobile device, does the SQL Server try to send it directly to the internet or does it go through "SQL Server Mobile Server Agent 3.0".
Please can someone help, as this is causing me some REAL problems.
Error messages:
The schema script '\ukrt1-sql902SQLRepluncUKRT1-SQL902_EXEL_DAMAGECODESEXEL20060810142533DamageAction_2.sch'
could not be propagated to the subscriber. (Source: MSSQL_REPL, Error number: MSSQL_REPL-2147023570)
Get help: http://help/MSSQL_REPL-2147023570
The merge process was unable to deliver the snapshot to the Subscriber. If using Web synchronization,
the merge process may have been unable to create or write to the message file. When troubleshooting,
restart the synchronization with verbose history logging and specify an output file to which to write.
(Source: MSSQL_REPL, Error number: MSSQL_REPL-2147201001)
Get help: http://help/MSSQL_REPL-2147201001
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Mar 8, 2006
Dear All,
I need to make Sql Server Mobile replication with Sql Server 2005, could any body tell where can I find step by step procedure to make this?
Thanks and Regards
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Mar 13, 2007
Task : connecting the central system and remote system (PocketPC) and allowing merged replication as
Following are the steps that I used to perform a replication.
1 > I am trying to Publish a Data base articled for a SQL mobile subscriber.
2 > I follow the steps in the SQL Server 2005 Mobile Edition Books Online : Creating a Mobile Application with SQL Server Mobile .
3 > At the publishing time it successfully completes all the tasks. Below is the report
Creating Publication
- Creating Publication 'SQL Mobile' (Success)
SQL Server created publication 'SQL Mobile'.
- Adding article 2 of 2 (Success)
Article 'FlightData' was added.
Article 'MembershipData' was added.
- Starting the Snapshot Agent (Success)
4 > After the publication, When I check the Snapshot Agent Status, It has stopped. (p.s. when pressed start it says starting for about few seconds and drops ) and gives an error as below
Executed as user: MAINsnapshot_agent. The replication agent encountered a failure. See the previous job step history message or Replication Monitor for more information. The step failed.
* As mentioned I checked the error log it says "encountered a non-logged user" but the user is logged on from another PC to the domain
5 > If I create a publication using SQL Server Agent service without specifying a user then it works.
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Mar 10, 2008
This customer has an SFA application. They are using NET CF 2.0 SP2, SQL Mobile and Merge Replication with SQL Server 2005. The device they are using are Symbol MC7094. It has integrated phone and is a Windows Mobile 5 Aku 3.
They have set up 5 differents publications for this applications. His business case makes them to have 1 publication to recreate all database structure and the first population of the tables.
For this they use AddSubscription .. Syncronize and the DropSubscription
They use the another 4 publications to sync particular tables because they don€™t want to sync everything, every time. All publications point to the same snapshot.
Each time they want to use one of this publication they instance the SqlceReplication object, then AddSuscription.. Synchronize .. then DropSubscription..
They have one of this publications that use a filter 1=0. Doing the previous steps SQLCE doesn€™t track the change and doesn€™t upload the data of the sql ce table to the server. It seems SQL Server recognize it as a new Sincronization, delete the records of the client and doesn€™t upload the changes (if I don€™t do the DropSubscription it works perfect) I can reproduce that using a device or an emulator.
They have 100 devices via GPRS - VPN. They need to be assure that this Add / DropSubscription will assure they don€™t lose the information. They want to assure all the process of sync is fine just to go to the carrier and make some GPRS connection monitor and test.
How is the best way to approach where the NET CF application needs to use more than one publication to the same database? I have suggested to put all the transactional tables in the same publication but due the business case it is not possible. What are the risks to use many publications?
Another question€¦ each X hours they do a full sync using the first subscription the application returns the next message: The snapshot for this publication has become obsolete. Why this happens? Due the changes in the another publications? How could we manage that to avoid this message? Note: All the test were doing via cradle and GPRS with the same results.
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Nov 29, 2006
Dear ppl,
I have a windows mobile 5.0 pocket PC application that performs replication between a Publihser (PC, SQL SERVER 2005), and subscriber (SQL MOBILE) on the pocket PC. The problem I am having is as follows
I created a bidirectional publication (SQL SERVER 2005). Then the pocket pc application subscribe to it (SQL Mobile). Pocket PC app add some records and then synchronise the data. Lets suppose the Pocket PC app adds 2 records on SQL Mobile in a table with primary key 2000 and 2001, which also reflected on the server after syncronisation.
Now for some reason I had to delete the publication and recreate it. My pocket PC resubscribed to the new publication, synchronise the data and get records 2000 and 2001 in SQL Mobile db. Now when the pocket Pc app tries to add a new record to it, it comes up with the error something like "duplicate values not allowed". What it is trying to do is, it is trying to add a new record with id 2000, which is already there in the table and therefore ending up throwing exception.
Can anyone please tell me what is the solution to this problem. Am i missing anything? Do i need to do something with configuring publication while recreating it after deleting it.
Regards
Nabeel Farid
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Dec 5, 2006
I am currently trying to replicate a SQL Mobile 2005 database with a SQL Server 2005 database through web synchronization using SSL Server AND Client Certificates. On IIS, with "Require Client Certificates" unchecked, I can replicate fine. Once I turn it on, I get a message from replication saying "A Secure Socket Layer connection is required to access this site". I have installed a client certificate in IE, and can access the https://servername/Ojt/sqlcesa30.dll site (I tried removing the client certificate, and I was denied access, then reinstalled it and it worked - so I think that part is working). Does anyone have any experience with this? My production operating environment requires client-side certificates.
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May 25, 2006
Hello,
We are trying to setup ssl for a merge replication mobile application. We use our own internal certificate authority to generate ssl certs, but cannot seem to get the one for our mobile merge replication to work. I see some other post about using third party vendors but is this a must? We are using .NETCF 2.0 WM 5.0. Thanks in advance.
John
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Dec 18, 2006
Hello,
I have been experiencing some difficulties with poorly performing synchronizations using replication from SQL Server 2005 to SQL Server Mobile running on Windows Mobile 5 devices. Currently there are two main databases (each client will only use one of them), the 1st one has around 500,000 rows, and the 2nd has about 1,200,000 rows. The initial synchronization for the 1st database takes around 45 minutes, and for the 2nd, around 2.5 hours. This is quite long, but we have comforted our clients by saying that this is a one time delay, and that further synchronizations will be much quicker. Well, synchronizing the data after this is usually quite speedy, however, things get bad rather quickly when the number of changes increases.
In normal cases, the client will have at most a few thousand changes and all is well, the synchronization will typically be under a few minutes - no big deal. Once in a while though, there are a substantial number of changes to the database (from the SQL Server 2005 side), perhaps around 50,000 changes. When this happens, the synchronization process doesn't seem to ever finish (I've left it over the weekend and come back to find it still synchronizing). For the record, there seems to be a level at which the database will finish synchronizing, but be agonizingly slow - around 10,000 to 20,000 records will finish eventually (but take a few hours, at which point it's faster to just blow away the database and start again from scratch). This is obviously not acceptable, and I need to find a way to resolve this. Does anyone have any thoughts?
While on this topic, why does this synchronization process take so long anyways? The snapshot creation (even for the database with millions of rows) finishes in a couple minutes, and the actual transfer of data shouldn't take more than a few minutes. The device can't possibly be storing the database content in memory (the SDF file ends up being between 40MB and 100MB), but when I watch network activity, there tends to be an initial busy period, then a periodic and fairly small spike every few seconds until the process completes, so the connection isn't being saturated at all.
At this point, I am almost considering breaking the nice database design I have and creating combined logical records to see if reducing the number of rows may help. I'd really prefer not to have to go this route though, so if anyone has any suggestions, I'd really appreciate some feedback.
Thanks,
Adrien.
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