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Asked: 2026-05-11T16:41:44+00:00

I’m trying to perform some offline maintenance (dev database restore from live backup) on

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I’m trying to perform some offline maintenance (dev database restore from live backup) on my dev database, but the ‘Take Offline’ command via SQL Server Management Studio is performing extremely slowly – on the order of 30 minutes plus now. I am just about at my wits end and I can’t seem to find any references online as to what might be causing the speed problem, or how to fix it.

Some sites have suggested that open connections to the database cause this slowdown, but the only application that uses this database is my dev machine’s IIS instance, and the service is stopped – there are no more open connections.

What could be causing this slowdown, and what can I do to speed it up?

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1 Answer

  1. Editorial Team

    After some additional searching (new search terms inspired by gbn’s answer and u07ch’s comment on KMike’s answer) I found this, which completed successfully in 2 seconds:

    ALTER DATABASE <dbname> SET OFFLINE WITH ROLLBACK IMMEDIATE

    (Update)

    When this still fails with the following error, you can fix it as inspired by this blog post:

    ALTER DATABASE failed because a lock could not be placed on database ‘dbname’ Try again later.

    you can run the following command to find out who is keeping a lock on your database:

    EXEC sp_who2

    And use whatever SPID you find in the following command:

    KILL <SPID>

    Then run the ALTER DATABASE command again. It should now work.

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