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Windows cannot unload your classes registry file - it is still in use by other applications or services. The file will be unloaded when it is no longer in use.

Posted on 2008-06-10
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Hi,

Win2003 Server Sp1, Windows Scheduled Task, running daily.

I'm running an exe under a WindowsScheduled Task. The task runs daily.  After running this event is logged in the Appliation event log.  Has anyone seen this before on Windows 2003 server?

Here's the Event:Event Type:      Warning
Event Source:      Userenv
Event Category:      None
Event ID:      1524
Date:            6/10/2008
Time:            3:02:41 PM
User:            CRSDEV04\CRSFiles2HseSen
Computer:      CRSDEV04
Description:
Windows cannot unload your classes registry file - it is still in use by other applications or services. The file will be unloaded when it is no longer in use.  

How serious is this?  it comes up as a Warning in the Application Event log. What is the solution?

Thanks,
Paul

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Question by:RoadhouseBlues
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Accepted Solution

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Compaq_Engineer earned 375 total points
ID: 21754509
I wouldn't worry about it.  I get the same error running our weekly defragment task on all our servers.  As far as I can see it doesn't cause an issue.  You may want to try the "User profile hive cleanup service" - see MS http://www.microsoft.com/downloads/details.aspx?FamilyId=1B286E6D-8912-4E18-B570-42470E2F3582&displaylang=en
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Author Comment

by:RoadhouseBlues
ID: 21759788
Thanks Compaq,

I've installed the UPHClean and it has eliminated the 1524 messages and reduced the time to unload the profile from 10 mins to about 5 seconds.

Right now I'm only seeing one warning message, Event ID 1517.  I have a question on EE about that too.  it's here:
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/2003_Server/Q_23473590.html

Paul
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Author Closing Comment

by:RoadhouseBlues
ID: 31465905
While this wasn't the exact solution, it did help out in that applying it reduced the time the system needed to correct the "unloading" issue and provided some peace-of-mind that others had had this kind of issue and used this utility to solve or at least mitigate the impact.
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