Microsoft KB Archive/246286

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XADM: Exchange Server Setup Stops When You Stop the System Attendant Service

Article ID: 246286

Article Last Modified on 10/27/2006


  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q246286


While you are installing Microsoft Exchange Server 5.5, the installation process may halt when Setup attempts to stop the System Attendant service. The following error messages may appear:

The requested control is not valid for this service.
Microsoft Windows NT ID NO: 0xc002041c

Microsoft Exchange Server was interrupted before the new software was fully installed. You can run Exchange setup in its entirety at another time.

When you try to stop the service manually, the following error message may appear:

The requested pause or stop is not valid for this service.


To work around this behavior, completely remove and then reinstall Exchange Server.


When you remove Exchange Server, you may need to delete some registry keys. For more proper instructions, please contact Microsoft Product Support Services.

NOTE: Technical support charges may apply.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

259158 XADM: How to Manually Remove Exchange Server 5.5 Completely

Additional query words: SA

Keywords: kbprb KB246286