Posted by Erland Sommarskog on 10/02/83 11:48

pb648174 (google@webpaul.net) writes:
> When issuing the below command on any of our databases, it just hangs
> forever.
>
> ALTER DATABASE DBName SET READ_COMMITTED_SNAPSHOT ON;
>
> I realize that all connections expect the query window need to be
> closed and that is the case I think, or at least we are resetting the
> web server and still see the issue. The only way I have been able to
> fix it is to completely stop and restart the database server, then
> issue the command and it returns immediately.

Did you use sp_who to see what other connections to the database that
were active?

You can use

ALTER DATABASE db SET SINGLE_USER WITH ROLLBACK IMMEDIATE

as a guick way to get everyone out. Don't forget to set it back to
multi user when you are done.

--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

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