October 22, 2011 at 3:14 am
Hi,
I am in process of configuring database mirroring for few database on SQL Server 2005 PROD environment. I am using synchronous mode with automatic fail-over.
I have successfully configured 8 databases, but while "Start Mirroring" step for 9th database, I get error:
Alter Failed for database 'MyDB' (Microsoft.SqlServer.Smo)
An exception occured while executing a Transact-SQL statement or batch
(Microsoft.SqlServer.ConnectionInfo)
Communication to the remote server instance 'TCP://MirrorServerName.Domain.com:<port number>' failed before database mirroring was fully started. The ALTER DATABASE command failed. Retry the command when remote database is started. (Microsoft SQL Server, Error: 1413)
Recommendations or checks to fix this issue is most appreciated.
Thanks,
Shailendra
October 22, 2011 at 4:53 am
That's the generic mirror error. Usually its communications based. I would suggest and check the below
1.Firewall
2. port being used already
3. named pipes not enabled
4. remote connections not allowed
5. TCP/IP port not enbaled
6. check mirror port Principal -5022, Mirror - 5023, witness-5024
Mirroring set up with a user that hasn't sys and windows admin access on other side of mirror
rgds
ananda
October 22, 2011 at 12:02 pm
I resolved the issue...following KB helped me..
October 27, 2011 at 5:43 am
Shailendra, you made wonders to me.. i was struggling for mirroing..with your link i succeeded... top man....
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