MSDE 2000 Replication Conflict
Jun 28, 2006
I am using MSDE 2000 for my replication. the problem is that althought at time creating publication it inserts GUID into every table but if one table in 2 nodes has same primary key, it inserts only one row ( accorrding to prority ). there are some Conflict Reslover methods that can be used for this purpose. i wanted to ask that is there any other way for me to resolve this conflict. i am asking for a new way because my database schema has been created and a lot of coding behalf of that schema has been done.
I'd be thankful if you guide me.
Regards,
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Jun 27, 2006
i went through the documentation but i was not clear on following, here is the scenario :-
a Central server is having SQL Server 2000
3 Remote Locations :- Each having 4-5 no of computers, connected on a Lan, and on one of the machines MSDE 2000 will be running.
My Questions are :-
1. Can remote locations, update data locally and send changes (say in every one hour) to central server. If yes, then how ??
2. Same way they can receive updates from Central Server on whatever was updated on Centra Server or on the 3 remote locations. If yes, then How ??
any help will be highly appreciable.
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Jul 6, 2001
I have some rogue replication conflict tables that I can't delete because they are system tables. They are names aonflict_<tablename> and bonflict_<tablename>. They are definitely not needed anymore. How can I delete them ? Does anyone know how to delete a system table ?
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May 30, 2007
Hi all,
Is there a way to replicate all data in a table but on certain columns avoid throwing a conflict? I have serveral SQL servers running Tx-Rep and almost all of the tables contain a DateModified field. I don't really need to check for conflicts on this data but want to keep it in tact as much as possible.
Any Ideas?
Thanks in advance,
Michael
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Mar 20, 2008
Hello everybody,
we are running business critical application in 24*7 enviroment. Application is written in java and use JDBC 1.2 to read and write data into SQL 2005 SP2. We also use push transactional replication and as a part of this replication we run snapshot agent regulary.
Problem is that our java application receives regulary error: "Could not complete cursor operation because the table schema changed after the cursor was declared." After some further investigation with Profiler we found out, that snapshot agent calls sp_MSreplupdateschema with high probability this procedure changes at least modify_date of some tables included in replication. In profiler we also found that JDBC broadly uses cursors to access data. After the call sp_MSreplupdateschema all cursores declared before the call failed.
We tried to setup JDBC driver not to use cursors by setting SelectMethod=direct in configurations file. But this started deadlocks.
From my point of view it`s legitim to use cursors and snapshot agent together. The question is why snapshot agent modify table schema and how to solve this problem?
I send same question into Replication forum. Till now without any answer. I hope to have more luck there.
Thanks in advance for any advice
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Jun 12, 2007
hi all
let's say i have three publications running on a network of one central server and four shops.
- a merge replication that keeps the price-table up to date between all shops and the central server
- a transactional replication of the arrived_orders-table from the central server to the shop in case
- a transactional replication of the sold_products-table fromt he shops to the central server.
the whole replication network runs on a distribution database that is located on the central server.
now, i've noticed already a few times, when a conflict occurs in one of the replications, also all other replications stop working. (for example when the transactional replication can not insert a line in the sold_products table because of a violation against a UNIQUE constraint in the central server).
Is it normal that also the merge replication and the other transactional replication don't do their inserts, updates etc any more????
Thanks
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Jan 18, 2007
Hi Everyone!
Here another post on replication.
When conflict occur, I want the user to be able to select witch row to keep and witch to delete.
I've look for system stored procedure, that could help me do the resolution but I've founded nothing.
So I've thought that I could do it by hand, with UPDATE/DELETE query
Take the row in the %TABLE_NAME%_Conflict table and copy it into the real table, than delete the row.
I this the good way of doing it?
Is there any other way?
Thanks !
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Nov 4, 2004
SQL2K SP4
Windows 2000 server
Merge Replication
How can I get sql server to log to the windows event long when a conflict occurs so that I can set up a notification alert. I have gone to the replication alerts in enterprise manager and set one up but it is never triggered and there is never anything in the windows event log.
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Nov 29, 2006
exec sp_helpmergeconflictrows @conflict_table = 'CMCustomer'
Msg 207, Level 16, State 1, Line 1
Invalid column name 'origin_datasource_id'.
When I run the "Microsoft Replication Conflict View" I am prompted to pick a table. Here are the details of the error message I receive.
===================================
CMCustomer is neither a DataColumn nor a DataRelation for table summary. (System.Data)
------------------------------
Program Location:
at System.Data.DataRowView.get_Item(String property)
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.GetWinnerSQL(DataRow loserRow, Boolean blockFetch)
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.GetSourceRow()
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.FillDetailData()
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.FillDetail()
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.summaryInfoGrid_SelectionChanged(Object sender, SelectionChangedEventArgs args)
at Microsoft.SqlServer.Management.UI.Grid.GridControl.OnSelectionChanged(BlockOfCellsCollection selectedCells)
at Microsoft.SqlServer.Management.UI.Grid.GridControl.SelectedCellsInternal(BlockOfCellsCollection col, Boolean bSet)
at Microsoft.SqlServer.Management.UI.Grid.GridControl.set_SelectedCells(BlockOfCellsCollection value)
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.ResetSummaryGrid()
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.LoadConflict()
When I try to "Remove" then conflict (Conflict type - "4(Update/Delete, Update wins)") I receive the following...
===================================
Column 'CMCustomer' does not belong to table summary. (System.Data)
------------------------------
Program Location:
at System.Data.DataRow.GetDataColumn(String columnName)
at System.Data.DataRow.get_Item(String columnName)
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.SetLogInfo(DataRow logRow, String sql)
at Microsoft.SqlServer.Management.UI.ConflictViewer.ViewerForm.btnClearUpper_Click(Object sender, EventArgs eg)
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Aug 29, 2006
Hi..
I have configured publisher, distributer,subscriber... and tried to replicate it... it has done successfully...
When i try to add datas to the publisher ... it says
"conflict error"
can you please tell me how to check the replication is successfull or not.
and i want to add datas to publisher so that it should frequently updated in subscriber...
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Sep 3, 2007
Hi
I faced with strange problem.
From time to time, during syncronization I get the following errors at the subscriber:
ERROR: -2147200992
SOURCE: Merge Replication Provider
TEXT: The merge process could not store conflict information for article 'Products'. Check the publication properties to determine where conflicts records are stored. When troubleshooting, restart the synchronization with verbose history logging and specify an output file to which to write.
ERROR: 2812
SOURCE: OFF1SQLEXPRESS
TEXT: Could not find stored procedure 'MSmerge_cft_sp_49D28CEAFF8A4ACC5C5462B5027D4E4D'.
ERROR: -2147199481
SOURCE: Merge Replication Provider
TEXT: The Merge Agent was unable to update information about the last synchronization at the Subscriber. Ensure that the subscription exists at the Subscriber, and restart the Merge Agent.
After I refresh the snaphot at the publisher, these errors disappear and the syncronization is completed without any problem. And I can sync easy again week or two..
What is the problem?
What is the right solution?
Yep, I can continue to refresh the snapshot each time when the error appears, but..
maybe there is another approach?
Thanks in advance!
Paul
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Dec 18, 2001
Hi all,
i think i have serious problem. i have almost 20,000 rows with the following conflict on a table (generated by merge replication over a period of around 3 weeks) :
'The row was updated at 'SubscriberServer3.DatabaseA' but could not be updated 'at 'PublicationServer1.DatabaseA'. Metadata mismatch'
i have 20 remote subscribers & 1 publisher. The above message originates from practically everywhere.
Besides dropping(not practical at the moment) & recreating replication to get rid of them, what else can i do to resolve this problem?? Do i have to resolve this problem row by row?? i'm at my wit's end. Please help!!
Thanx in advance.
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Aug 4, 2015
I have been evaluating merge replication, 'push' subscription on SQL Server 2014. If the default resolver is used (I refer to @article_resolver parameter of sp_addmergearticle), all seems to work as expected. However if I use "Microsoft SQL Server Subscriber Always Wins Conflict Resolver" (or any other MS standard resolver for that matter), if the Subscriber is on a different machine, the merge agent invariably gives the following error: "The process could not initialize <resolver_name>. Verify that the component is registered correctly."
This does not happen if the Subscriber is on the same machine as the Publisher and Distributor.
The problem seemed to exist in SQL Server 2008 according to some posts but it has been apparently fixed since then. I've tried the following:
- @partition_options = 0, as was suggested somewhere.
- Copied ssrpub.dll (the resolver dll) to the Subscriber machine (should not really matter as this is 'push' subscription?)
- Registered ssrpub.dll with regsvr32 on the Publisher/Distributor machine.
I've also run sp_enumcustomresolvers on the Publisher machine, and it happily showed all standard resolver, including the "Microsoft SQL Server Subscriber Always Wins Conflict Resolver".
Another thought is, I'm using SQL Server Express as the Subscriber (on the remote machine). Perhaps it does not support custom resolvers? (I'm using the full SQL Server in the 'local subscriber' variant, which does work OK as I mentioned before).
Note also that if I create a new publication via SSMS, the Resolver tab of the Article Properties dialog is empty, i.e. it does not list any resolver. The same tab contains the full list of resolvers though, if opened for an existing publication.
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Oct 30, 2006
I have gone through BOL and various online resources including this one and I can't find any examples on how to use custom conflict resolvers to generate a result row which is a combination of the rows to be merged.
BOL says it can be done, but suitable examples are missing. I have found various posts requesting examples from up to a year ago, but can see no replies with relevant information
In particular I would like to see examples of
1) A stored procedure based custom conflict resolver
2) A business logic handler written in VB .Net
Here's hoping
aero1
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May 4, 2006
We have merge replication running with anamous subscribers
We have generested lots of views tables and stored procedures like
sp_ins_C435D35DDEC04FE2517CCD52A9024EC4
ctsv_07BA7383A12B4654B4D3A69B3053B227
aonflict_DH_tblReplicationRegion
How do we get rud of these I am concerned it will fill up the publisher database
Can any one advise
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Sep 20, 2005
Hi, I'm replicating a database between two instances of Sql 2000 using Merge Replication. I have no custom resolvers at present but I'm seeing something unexpected.
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May 31, 2006
I'm having some problems getting Interactive Conflict Resolution working under SQL Server 2000 SP4. I have set "Allow Subscribers to resolve conflicts interactively" under the Resolver tab for the article in the publication. I have set "Enable synchronization using Windows Synchronization Manager" and "Resolve conflicts interactively" under the Synchronization tab for the subscription. I have set "Resolve conflicts interactively" under the Other tab for the subscription properties in the Windows Synchronization Manager. However, when I generate conflicting data in the publishing and subscribed DBs and synchronize using the manager, the resolution is automatic and a warning pops up informing me that "conflicts occurred while syncronizing the data and were resolved according to defined rules." Am I missing anything here?
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May 21, 2005
Can you install Sql Server 2000 Developer Edition with MSDE 2000 release A already installed?
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Feb 17, 2004
My objective is to use Enterprise Manager to move (copy) my SQL db from the server to my windows desktop computer.
I downloaded MSDE and am having trouble installing it, no doubt because I do not understand the documentaion (ReadMeMSDE2000A.htm).
When I try to run setup, I get that message that says:
"A strong SA password is required for security reasons. Please use SAPWD switch to supply the same."
Considering my purpose, do I need a "strong" SA password? If not, how do I get around it? If yes, how do I set it up?
I am a Mac user so I have poor windows skills, please make it as painless as possible for me, thanks!
Ron
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Feb 16, 2006
venu writes "Hi,
Am very new to MS SQL adminstration
Can anybody help me out how to work on Microsoft SQL Server 2000 Desktop Engine (MSDE 2000) Release A just for the practice.
The activity which am going to workout on MSDE is below.
How to install SQL(on XP)
How the layout will be(like if i insall MSDE what are all Application will be and how they depends on each other)
How to create/delete tables if so, how can we do it either by GUI or CUI
just i need a clarifications reg same
Thank you,
venu"
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May 27, 2008
Parameter
Access 2000/XP
SQL Server 7.0
SQL Server 2000
MSDE 2000
Number of instances per server
n/a
n/a
16
16
Number of databases per instance / server
n/a
32,767
32,767
32,767
Number of objects per database
32,768
2,147,483,647
2,147,483,647
2,147,483,647
Number of users per database
n/a
16,379
16,379
16,379
Number of roles per database
n/a
16,367
16,367
16,367
Overall size of database (excluding logs)
2 GB
1,048,516 TB
1,048,516 TB
2 GB
Number of columns per table
255
1024
1024
1024
Number of rows per table
limited by storage
limited by storage
limited by storage
limited by storage
Number of bytes per row
(Excluding TEXT/MEMO/IMAGE/OLE)
2 KB
8 KB
8 KB
8 KB
Number of columns per query
255
4,096
4,096
4,096
Number of tables per query
32
256
256
256
Size of procedure / query
64 KB
250 MB
250 MB
250 MB
Number of input params per procedure / query
199
1,024
2,100
2,100
Size of SQL statement / batch
64 KB
64 KB
64 KB
64 KB
Depth of subquery nesting
50
32
32
32
Number of indexes per table
32
250 (1 clustered)
250 (1 clustered)
250 (1 clustered)
Number of columns per index
10
16
16
16
Number of characters per object name
64
128
128
128
Number of concurrent user connections
255
32,767
32,767
5
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Mar 8, 2007
Hi
Sorry for asking what may be a rookie question... We have configured transactional peer-to-peer replication in a testing environment with two servers, each publishing and subscribing to each other. If we write a piece of code that updates the same row on both servers with different values, we are not seeing data conflict issues. The data updated on server 1 propagates to server 2, but at the same time data updated on server 2 is updated on server 1. This leaves the records on each server out of data.
I expected my test case to produce errors, but instead I got inconsistent data. How do you turn on data consistency checking?
Thanks in advance
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May 20, 2005
Will any application developed against SQL Server 2000 Developer
Edition work on an identical platform with only MSDE 2000 installed? I
understand there's a concurrency limit with MSDE 2000 of around 25 (and there's no GUI) but apart
from that, are there any aspects of SQL Server 2000 functionality (from the .NET applicaiton code's point of view) that
are "disabled" in MSDE 2000?
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Jan 28, 2007
Trying to transfer databases from MSDE to SQL. When I use SQLEnterprise Manager - DTS - import or export, it works for the firstdatabase, but then fails for the others. I select the to and fromdatabases using DTS - Import - 'MS OLE DB Provider for SQL Server',then select 'Copy objects and data between SQL Servers'. It failswith the generic error message: 'Copy objects failed', nothingfurther. I tried to just copy data, and it doesn't work totally. Ontwo databases, it said that it copied everything, but when I go inunder Enterprise manager, some of the tables are incomplete, i.e. nodata, table shows up in the list, but if you try to look at it, itsays that it is missing or empty. Also, one table was not evencopied. In the other two cases, I get errors, does not copy alltables. I get errors, like insert fails, but the column it referencesfor the table does not even exist in that table. Any suggestionswould be appreciated.
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Aug 2, 2006
I am creating an install program and I'm wondering if there is a
difference between SQL Server 2000 and MSDE 2000? Do they have
different entries in the Registry?
From the documentation that I've read it seems as if they are one and the same.
However, if someone knows how to differentiate between them in the Registry it would be greatly appreciated.
Thanks
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Jul 20, 2005
I have a distributed inventory control database that I am going tomigrate from Access to SQL Server. I am going to use SQL ServerReplication to keep the data current.There will one SQL Server 2000 database at HeadOffice, and about 200branches will each have MSDE 2000.For tables that are the same for each branch (e.g. StockItems,Suppliers), I'm going to use Transactional replication with theHeadOffice as Publisher. There is no need for Merge replication,because only HeadOffice will be changing this data.For tables that are updated at the branches (e.g. deliveries, sales),there shouldn't be anyconflicts either, as each branch will only update data that isspecific to it. So, transactionalreplication with the Branches as Publishers seems like the answer.BUT, MSDE 2000 only handles merge replication as a publisher, so itlooks like I'm going to have to use Merge Replication if I'm am goingto use MSDE.Question: Do you think that it worth buying a full SQL Server licensesfor each branch, so that I can use Transactional replication with thebranches as publishers. Or, should I stick with MSDE 2000 and Mergereplication. Also, are there any other reasons why MSDE won't beadequate as the database at the branches.Thanks,Craig
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Aug 23, 2005
Greetings to fellow fleetfingers:
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Jan 24, 2007
Summary:
Failed to insert detail rows in master-detail scenario during merge replication. Not always, sometimes.
Topology:
I've got 5 servers running MSDE, one of them is central publisher/distributor for merge type of replication.
There is no row or column filtering: all subscribers have all data. Central publisher resolve conflicts with default revolvers.
Some tables have relations: master-detail (i.e. orders-ordersDetails, etc). Relations are defined in tables as FK.
My application which fills data use datasets with relations between tables defined the same way as in the sqlserver. So app first work with dataset which is unable to receive details without master record. When data updated to msde, it is done without errors, means master and details table updated correctly (tables at msde has relations too)
Applications running on 4 different locations and fill data to local db (subscriber to central publisher).
Sync occurs every 15 minutes in the following order (merge agents run at publisher/distributor):
subscriber1: every 15 minutes, starts at 00.00h
subscriber2: every 15 minutes, starts at 00.03h
subscriber3: every 15 minutes, starts at 00.06h
subscriber4: every 15 minutes, starts at 00.09h
Sync lasts for average 15 sec, never 3 min.
Problem details:
Message:
The row was inserted at 'CentPub.myDB' but could not be inserted at 'Sub2.MyDB'. INSERT statement conflicted
with COLUMN FOREIGN KEY constraint 'FK_OrdersDetails_Orders'. The conflict occurred in database 'MyDB',
table 'Orders', column 'OrderID'.
Description
CentPub is central publisher which just collecting data from subscribers. So, Order was made on one of the other subscribers different than Sub2, mean user at location3 insert order with details in local database, after a while, CentPub take this order to its database (MyDB), after that CentPub try to sync with some of the other subscribers (i.e. Sub2 == location2) and then for some unknown reason orderDeatils failed to insert in Sub2's orderDeatil table because constraint 'FK_OrdersDetails_Orders' conflict.
After that happened, thing goes like in http://support.microsoft.com/kb/307482 (generally: in next session, failed order details are deleted
from CentPub, which means deleted from all subscribers after syncs.)
The problem is that subscribers have tables with relations, so Cause isn't as describe in MS kb because my tables have relations at all servers.
After finished replications I have Orders without details records at all subscribers, so I assume that merge agents sometimes (not always) try to insert details prior to master table during the same sync session.
In resolution section of MS kb article they say 'Mark the subscriber foreign key constraints as NOT FOR REPLICATION'.
In relations definition I see 'Enforce relationship for replication) options which is enabled in my tables.
If I turn that option off, is it possible to happen that my subscribers receive details without master record? (My observation of behavior says that will not happen(that will lead to problems in my app because my datasets enforce relations too).
Deleted record I bring back to life with conflict manager in EM, but I'd like it never happen.
Is it a bug, side effect or something I do it the wrong way?
Thanks and regards
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May 29, 2006
Hello.
I will construct client application with MSDE.
I face with a difficult question.
It's in sync with SQL2000 Server and MSDE.
Client number is 5000.
I fall in a dilemma. Which do i use, Replication or to make DB Sync application ?
jongwoo
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Dec 18, 2003
I am about to setup an application server. This app will generate reports and instead of just having a HTML page up, I am considering running dotnetnuke type portal to offer the userbase a better interface for the reports, info, announcement, etc.
Server isn't too bad (2x1.7Ghz Xeon I think, 2GIG RAM) type of setup (may be little more or less). App doesn't require as much resources, but we are planning for the future )
While I have some resource to play with, I also need to make sure I don't load much that may impact the application performance. In my experience, SQL Server 2000 will take a lot of resources even when not used as much. So I am considering MSDE.
I am curious however, WHAT ARE THE MAIN DIFFERENCES BETWEEN SQL 2000 Server Vs MSDE 2000 ?
Beside no Client tool and mostly command line specific command, what else there to convince that I should go for server vs desktop engine?
Now our company has Enterprise license for SQL, so I am not worried about the cost (well a little maybe), but mostly wondering about performance.
If you think of any reason why I go to SQL Server 2000 over MSDE, please let me. Otherwise, I think MSDE in this case is the appropriate RDBMS to go for.
Regards,
Impu
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Feb 28, 2004
Hi,
How does one install MSSQL 2000 on a machine that's already running MSDE 2000? Do i need to unintstall MSDE, or both can be installed seperately??
Is there a way to simply upgrade MSDE into MSSQL 2000?
Thanks!
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Apr 1, 2004
Hi There,
I have install msde in one computer and try to register from my sql server, the following error message is coming.
A connection could not be established to Cal-itimilsina (computer in which MSDE IS INSTALLED)
RESON: SQL SERVER DOES NOT EXIST OR ACCESS DENIED
CONNECTIONOPEN(CONNECT())
====
BUT THE MSDE IS RUNNING IN THE CLIENT MACHINE. Could any one please help me
Thanks.
Indra.
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Sep 4, 2006
Hello!
I have a problem with creating Merge replication between two instances of MSDE 2000. In the article http://support.microsoft.com/kb/324992/, published by Microsoft, described, that it is possible.
I am creating Merge Publication at MSDE 2000, with Distributor and Publisher configured at same machine, with options "Allow Pull Subscriptions" and "Allow Anonymous Subscriptions". There is no problem with creating of Publication. Even snapshot generation finishes successfully. Also I create a login with SQL Server Authentication and "System Administrators" database role at the publisher in order to connect to it from Subscriber.
The problem occurs, when creating anonymous pull subscription to this publication at another instance of MSDE. During initial synchronization an error occurs:
The process could not connect to Distributor '<publisher_server_name>'. Login failed for user '<login_created_at_publisher>'. Reason: Not associated with a trusted SQL Server connection. The step failed.
Although I didn't use Windows Authentication at all, so Subscriber doesn't need to connect to Distributor using trusted SQL Server connection.
What is a problem and how can I workaround?
Note: The same works correctly, if MS SQL Server used as a Publisher instead of MSDE.
Please, help!
I can provide publication and subscription creation scripts, if required.
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