13 March 2015

Distribution Agent Errors _OS Error


Error 1:
The process could not read file T:\ Microsoft SQL Server\\MSSQL\repldata\\ due to OS error 3. (Source: MSSQL_REPL, Error number: MSSQL_REPL20016)
Error 2:
Cannot DROP TABLE 'dbo.PrFlagAon' because it is being referenced by object 'VW_FlsAsoU2'. (Source: MSSQLServer, Error number: 3729)
Error 3:
One or more BLOB columns could not be sent to the server, attempt to recover from the problem failed.

Resolution1:
The error occurs in pull subscriptions because the remote distributor you must specify a UNC network share such as \\\snapshot rather than a local path for the snapshot folder. 
To alleviate this issue, make the snapshot folder a UNC network share and update the Distributor Properties to reflect the change the path.
Drop and recreate or reinitialize subscription with new snapshot.

Resolution 2:
The view is a schema bounded and which is creating the problem. Login to subscriber go to the database script out the view. Once you have script drop the view until it applies the snapshot on the subscriber.
Once applying snapshot is completed and replication applies all scripts re-create the views which are dropped in the above step.

Resolution 3:

This will fix automatically as the data is BLOB and if any network packet drop outs will cause this. If this a IMAGE type and failing each time, then MSDN says that to replicate LOB data, using "Distribution Profile for OLEDB streaming" profile is optimized.

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