The merge process could not update the list of subscriptions

[aomara]

I have a Merge Replication between a Publisher SQL Server 2005 and Subscriber SQL Server 2000.

Whenever I establish the replication and after 2 or 3 successful propagations of the data, the Merge Agent stop and provide this error :
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Error messages:
The merge process could not update the list of subscriptions. (Source: MSSQL_REPL, Error number: MSSQL_REPL-2147201010)
Get help:

http://help/MSSQL_REPL-2147201010

Violation of UNIQUE KEY constraint 'unique_pubsrvdb'. Cannot insert duplicate key in object 'dbo.sysmergesubscriptions'. (Source: MSSQLServer, Error number: 2627)
Get help:

http://help/2627

The subscription could not be created. (Source: MSSQLServer, Error number: 14057)
Get help:

http://help/14057

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Even I drop the publisher and re-establish it again, the same happen ( after 2 or 3 successful propagations of the data I got the same Error )
Can any body find a solution to this Error ?

 

[aomara]

I find my self forced to upgrade the Subscriber to be SQL Server 2005, so every think is OK now.

But I have got the experiance that Replication between SQL Server 2005 and 2000 is not reliable specially when the database you replicated is already replicated before using SQL Server 2000.