SQL 2005 Mobile Edition Error: The Buffer Pool Is Too Small Or There Are Too Many Open Cursors.
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 Some of the articles have unpublished columns, which means they are using vertical filtering as well.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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Mar 15, 2006
Hello:
I tried to synchronize the SQL 2000 database with the SQL mobile server on PDA with SQL server management studio from SQL 2005. I got the error as €œThe buffer pool is too small or there are too many open cursors. HRESULT 0x80004005 (25101) €?. The SQL database file size is 120MB.
I create the .sdf file on PDA with the following C# code:
string connString = "Data Source='Test.sdf'; max database size = 400; max buffer size = 10000;";
SqlCeEngine engine = new SqlCeEngine(connString);
engine.CreateDatabase();
I think the 400MB max database size and 10000KB max buffer size are big enough to hold that SQL database data and I have already successfully synchronized my PDA with another smaller SQL server database file. I have been kept trying and searching this for couple of days and still can not figure it out.
Moreover, the synchronization always stops at the same table.
Please help and a lot of thanks in advance.
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Apr 15, 2008
Good day,
I am writing an application using VB.Net 2005 for the Windows CE 5.0 device and it is connecting to a SQL Server 2005 Mobile Edition Database.
The trouble I'm having is establishing a connection to a SQL Server Mobile database on the device.
Here is the code I am using:
Code Snippet
Public gConnectionString As String = "Data Source=Program FilesMobAppMobDB.sdf;Persist Security Info=False;"
Code Snippet
Imports System.Data.SqlServerCe
Public Class DBManager
Public Shared gSQLCEConnection As SqlCeConnection
Public Shared Function OpenDB() As Boolean
If gSQLCEConnection IsNot Nothing Then
Throw New InvalidOperationException("Connection already open.")
End If
gSQLCEConnection = New SqlCeConnection(gConnectionString)
Try
gSQLCEConnection.Open() 'Error occurs here
Return True
Catch ex As SqlCeException
MsgBox(ex.Message & vbCrLf & ex.HResult & vbCrLf & ex.NativeError & vbCrLf & ex.Source)
Return False
End Try
End Function
In the immediate window I recieve the following messages:
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.Data.SqlServerCe.SqlCeException' occurred in System.Data.SqlServerCe.dll
I believe that the first few lines are caused by the icons/pictures that I have included with my app, but the SqlCeException line occurs when the connection to the .SDF file is trying to be established.
Here is the exception output:
Message: "" (Blank)
HResult: -2147024882
NativeError: 0
Source: SQL Server 2005 Mobile Edition ADO.NET Data Provider
Programs under Remove Programs on the PDA are:
Microsoft .NET CF 2.0 ENU-String R...
Microsoft .NET Compact Framework...
Microsoft SQL Client
Microsoft SQL Mobile 2005
Microsoft SQL Mobile 2005 [EN]
Microsoft SQL Server 2005 Compact...
Microsoft SQL Server 2005 Compact...
Microsoft SQL Server 2005 Compact...
Microsoft SQLCE 2.0
Microsoft SQLCE 2.0 Dev
Any ideas on what could be stopping this connection from being established? It was working before but all of a sudden just stopped. I have warm booted, cold booted, and rebuilt with no luck and also checked that SQL Query Analyzer is not running on the PDA and that the connection string is valid.
The call to OpenDB occurs in the form_load of the startup object.
Thanks in advance,
Leon
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Jan 23, 2015
I am sure I have seen in the past in a monitoring tool that PLE drops off to 0 whenever we do a backup. I was doing some reading around this however and found something that said backups use a different portion of memory external to the buffer pool (minmax settings).
Is this correct and how can I tell how much memory will be required for a backup?
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Apr 16, 2007
Hi, I'm trying to chase down some bottlenecks, and am currently tyring to figure out what's actually in our data buffer pool.
We've recently upgraded to SQL Server 2005 (sp2a); there's 4GB memory on the box (an active/passive cluster) with the /3GB switch set. I'm working on the learning curve for
sys.dm_os_buffer_descriptors and sys.allocation_units [and boy I sure wish SSMS's query windows wouldn't "copy" in HTML]. Based on BOL and some poking around, I've come up with the following query to list pages used within a given database:
SELECT
count(*) cached_pages_count
,isnull(obj.name, '<unidentified object>') TableName
,obj.index_id
,ind.name
from sys.dm_os_buffer_descriptors bd
left outer join (select
object_name(object_id) name
,object_id
,index_id
,allocation_unit_id
from sys.allocation_units au
inner join sys.partitions p
on au.container_id = p.partition_id -- 2005 compatible, but maybe not in future versions
) obj
on bd.allocation_unit_id = obj.allocation_unit_id
left outer join sys.indexes ind
on ind.object_id = obj.object_id
and ind.index_id = obj.index_id
where bd.database_id = db_id()
group by obj.name, obj.object_id, obj.index_id, ind.name
order by cached_pages_count desc
This would appear to list how many pages are sitting in our buffer pool for which objects for the currently selected database. The thing is, for our "main" database, the vast majority of pages fall in that "unidentified" bucket -- their allocation_unit_ids are not in sys.allocation_units (or tempdb, I checked there just in case).
My question is: what are these pages? Where is this data coming from? Might these somehow be related with our execution/query cache, which appears to be larger than our data cache?
As may be obvious, this is all new to me, and any help would be greatly appreciated!
t
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Sep 24, 2015
I am reading about Buffer Pool Extensions, and how it stores data pages on media like an SSD, to speed up retrieval in future. Would this be useless if my mdf files are already on SSD media? At most, I envisage it meaning that instead of grabbing the data from the mdf, it would grab the data from the buffer pool extension drive, but if they are both on SSD's, I'm not sure of how much return I would see.
Has any user decided to use BPE when their data is already on SSD's, and have they noticed any improvement in these cases?
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Oct 9, 2015
Extending the buffer pool onto an SSD drive that is shared ? For instance, if we had a mirrored system drive(The C logical partition) on SSD's, can we use the remaining space on that mirrored partition to extend my SQL 2014 buffer pool ? I understand that in this scenario, there is some competition for the I/O throughput between SQL Server's extended buffer pool and the OS. We intend to have the pagefile on a different disk, other than this specific SSD.Â
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Oct 8, 2015
extending the buffer pool onto an SSD drive that is shared ? For instance, if we had a mirrored system drive(The C logical partition) on SSD's, can we use the remaining space on that mirrored partition to extend my SQL 2014 buffer pool ? I understand that in this scenario, there is some competition for the I/O throughput between SQL Server's extended buffer pool and the OS. We intend to have the pagefile on a different disk, other than this specific SSD.
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Dec 13, 2006
I have an SBS 2003 server that is running SQL 2000 standard edition which was recently upgraded to Small Business Server 2003 R2.
I have installed SQL 2005 workgroup edition on the SBS 2003 R2 server which acts both as an AD server and Exchange server. I installed SQL 2005 for the purpose of using SQL 2005 for my sharepoint services on the Small Business Server R2.
Now I have SQL 2000 and SQL 2005 workgroup edition installed, but I'm unsure whether I can uninstall the SQL 2000 and how to know whether the sharepoint instance is running in SQL 2005 or SQL 2000?
Additionally, I have some MSDE's running for WSUS and Server Reporting which are installed by the Small Business Server installation.
Which tools should I use to become familiar with identifying the databases and which version of the database engine is used for which database regardless of whether it is a SQL instance or a MSDE instance.
How can I identify which SQL versions are not in use and whether I can uninstall if not needed.
Thanks!!
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Oct 20, 2011
How do i check the size of the datacache allocated from the buffer pool by sql server?
DMV or anything to show me the pool allocation sizes for the various pools in sql server i think i may be able to work from there.
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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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Jan 9, 2007
hi,
I have some SQL CE database .sdf file on my handheld, and I was trying to connect to that file via SQL Server 2005 Management Studio, and it does not work. I am wondering if there is any good tool that I can use on desktop to connect to sqlce .sdf database file on my handheld?
Thanks.
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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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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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Apr 6, 2008
Hello,
I am developing a mobile application in which i have to create a database..
My database contains relationships between its tables..
I would like to know what is the best solution for developing the database?? SQL mobile edition or RMS!!!
If you say RMS, how should i create the relationships between my tables??
thnx
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Apr 30, 2007
Hi,
I already have SQL Express Edition... i installed SQL 2005 Mobile Edition..
how could i connect to the mobile edition so i can design my DB?
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Jun 5, 2006
I have use this guide to make a application for windows mobile 5.0. http://msdn.microsoft.com/vstudio/tour/vs2005_guided_tour/VS2005pro/Smart_Client/DataBinder.htm Everything is work. I can add, remove data in the dataset. But i can't update the sql server database. can somebody tell me whats wrong? Nitro.
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Dec 13, 2006
"SQL Server 2005 Mobile Edition" is a standalone software?
or
it equals "SQL Server 2005" + "SQL Server 2005 Mobile Edition Device SDK"?
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Jun 4, 2006
Hello
I have a question: is the SQL Server 2005 mobile edition free? or is it necessary to buy a licence when i use it combinated with a comercial program which i have delevoped by myself and i sell it?
greetings
stefan lederer
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Nov 15, 2006
Where can I find the SQL Server 2005 Mobile Edition binaries for the Tablet PC?
Thanks
JEK
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May 10, 2006
I am looking for a reporting software to create reports (Invoices, Receipts) for PocketPC 2003 using Visual Studio 2005 and SQL Server 2005 Mobile Edition.
Any recommendations will be appreciated.
Thanks, Alla
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Dec 17, 2005
Hello Everybody
I want to create SQL server 2005 mobile database on desktop programmatically with some inital data for my application and load it into device. We can create database only in VS2005 server explorer or SQL server 2005 application.
Anybody having this solution for this prob.
Regards
Chikuu
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Jan 2, 2007
Hi forum readers,
we are working on a release 2.0 mobile solution right now. In our version 1.0 we did not have to worry about memory issues as our application was the only application running on our target devices (e.g. T-Mobile MDA Compact II Pocket PCs, WM2005).
Now we need to share the available memory with others. As our application relies on its SQL Server 2005 Mobile Edition database we are wondering about memory usage of that server.
We know that a Pocket PC divides its memory into Storage and Program. If our application uses a 5 MB database and 1.5 MB for DLLs and it's exe-file. These files reside in the storage space when not loaded. When the application starts up it is loaded in the program memory. What happens to the 5 MB database file? Is is loaded into Program memory as well? Are only portions of that file loaded? Or is nothing loaded at all?
Does anyone have a deeper insight into that server an can answer my questions.
Best regards,
Tobias
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May 7, 2007
Hi,i want to create a solution which shall consist of a sql server 2005 -data base (express edition if the following features are available byexpress edition) and a mobile windows application (running on asmartphone under windows mobile 5.0).The sql server shall be installed on a ordinary laptop using windowsxp (not professionall edition).Which would be the best way to exchange the data between mobile deviceand pc? I learned that there is a SQL Server Compact Edition for themobile device and that rda would be a way to exchange data - but theni would need internet information system and this does not run on xphome edition.Which alternatives would you suggest me?Thanx in advanceWolfgang
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Jan 5, 2007
There are any import/export utilities for SQL Server 2005 Mobile Edition database? Which edition of SQL Server 2005 can do this?
Or we must use publication/subscription to transfer data to the mobile database?
Thank you for your help!
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Dec 5, 2006
Hi,
I was wondering if someone could help me as this is a bit of a puzzle.
I have created a database using a password, the create table scripts are executed successfully using the connection string however when I try and use the same connection string to insert some data into the database an error is produced, with the following message 'The specified password does not match the database password'.
I have opened the database using the SQL Server 2005 Management Studio and provide the password and I can access the database without a problem.
When the connection object is first instantiated all the Connection String property, the connStr variable and the modifiedConnStr are all correct (by this I mean that the data source and the password are present). However when the connection object is accessed again the Connection String property and the connStr variable are both set incorrectly (by this I mean that the password= section of the string is missing) however the modifiedConnStr is set correctly (by this I mean that the password= section is present in the string).
The connection object does not get set in between creating and accessing the connection object.
I have resorted to using no password, however I really need to be able to use a password.
Here is a copy of the connection string I am using (Copied directly from the quick watch window):
"Data Source = '\Program Files\Application\DataBase\MyDatabase.sdf'; password="Pa55word";"
I am sorry this a little long winded however I would like to provide as much information as possible. I hope someone can help me with this problem.
Thank you for reading.
Paul Diston
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Jun 28, 2006
Executing a select query with left outer joins etc takes .53 seconds to execute on sqlce 2.0.
Same query on sql 2005 mobile ed. takes 11 minutes .
on database having same data.
Sample query
SELECT routes.location,routes.equipment_type, routes.contract_type,
routes.maintenance_interval,routes.bank_description,routes.Unit_Des,
routes.Unit_no,max(task_last_completed.date_completed)as date1,min(case when
task_last_completed.due_date is NULL then getdate()-1 else due_date end) as
due_date FROM routes left outer join tasks on tasks.model = routes.model and
tasks.eqtyp = routes.equipment_type inner join task_by_contract_type on
tasks.task_id = task_by_contract_type.task_id and
task_by_contract_type.contract_type = routes.contract_type and
task_by_contract_type.model = routes.model left outer join
task_last_completed on routes.unit_no = task_last_completed.equipment_Id and
tasks.task_Id = task_last_completed.task_Id WHERE routes.location LIKE
'S153825-01%' group by
routes.location,routes.equipment_type,routes.contract_type,routes.maintenanc
e_interval,routes.bank_description,routes.unit_des,routes.unit_no ORDER BY
routes.location, routes.bank_description, routes.Unit_Des
WHY????????????????
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May 16, 2007
Is here any way to update Mobile database from command-line program that ie;
reads sql commands from text file, run query analyzer, insert readed data to SQL tab and deploy these commands?
Or any other way to do this?
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Apr 18, 2012
I encountered the following error while attempting to preview an RDL report I was developing in VS2010 using SSDT:"The size necessary to buffer the XML content exceeded the buffer quota"
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Apr 28, 2006
Hi
I have a master package that executes a series of sub packages run from a SQL Agent job. One of those sub packages has been stable for a week, running at least once per day, but it just failed despite having been run once already today with the same set of input data.
There were a series of errors showing in the event log for the Execute Package Task starting with "Buffer Type 15 had a size of 0 bytes.", then "The buffer manager failed to create a new buffer type.", then "The Data Flow task cannot register a buffer type. The type had 32 columns and was for execution tree 3.", then "The layout failed validation." and finally "Error 0xC0012050 while loading package file "C:[Package].dtsx". Package failed validation from the ExecutePackage task. The package cannot run.".
SQLIS.com reports the constant for the error code as DTS_E_REMOTEPACKAGEVALIDATION ( http://wiki.sqlis.com/default.aspx/SQLISWiki/0xC0012050.html ).
I then ran the package on my dev machine in BIDS and it worked fine, so I re-ran the job on the server and this time that package executed ok, but another one fell over but did not put anything in the event log.
Does any one have any idea what happened?
TIA . . . Ed
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Apr 11, 2006
I have an embedded pc which runs windows ce 4.2. I have created an amplication which use sdf file 2.0 version. So i want to copy this database into Desktop PC and open it with Sql Server 2005. Should i upgrade this database? Will i have problems after upgrade?
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Sep 28, 2007
Hi,
I have a customer, Customer who has purchased SQL Server Standard Edition 2005 via Open License Agreement. The product key is not available with the media.
I checked with eOpen team and confirmed that SQL 2005 does not require product key or Volume License Key for installation.
however, according to the VKB article 331355 titled "eOpen License Web Site" under "Exceptions" it is mentioned as:
SQL Server: The product key is distributed with the media. If the customer did not get a product key with the media, refer them to their reseller. The product key is hidden between two shrink-wrapped CDs.
Need your clarification on this,
How should we provide the key to the customer.
Thanks,
Jagdeep
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Sep 7, 2007
Hi, I am trying to open or create a sqlexpress database within Visual Studio 2005 Professional in the App_Data folder. If I attempt either method, I get the following dialog box:Required Components MissingConnections to SQL Server files (*.mdf) require SQL Server Express 2005 to function properly. Please verify the installation of the component or download from the URL: http://go.microsoft.com/fwlink/?LinkID=49251 The link above just takes you to the download page for Sql Server Express 2005. I have both SQL Server 2005 Developer and SQL Server 2005 Expression instances running. The existing database will work properly in my web application, however I cannot access it through Visual Studio.As background, I did have a problem connecting to the database via the web application, receiving a "Failed to generate a User Instance of SQL Server" error. But I was able to fix that by renaming my SQLEXPRESS folder in C:Documents and SettingsuserLocal SettingsApplication DataMicrosoftMicrosoft SQL Server Data. When the web page ran, it created another SQLEXPRESS folder.However, I cannot figure out why I am having the other issue.Thanks in advancePatrick
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