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Article ID: 917608 - Last Review: December 5, 2007 - Revision: 1.3

SYMPTOMS

On a computer that is running Microsoft Windows XP, you set a Microsoft Component Object Model (COM) component to run as the NT AUTHORITY\SYSTEM user. When you do this, an Error event that resembles the following is logged in the System log:

DCOM got error "Logon failure: unknown user name or bad password. " and was unable to logon NT AUTHORITY\SYSTEM in order to run the server: GUID

CAUSE

This problem occurs because Windows XP does not support registering classes from processes that have the RunAs named value set to the NT AUTHORITY\SYSTEM user.

RESOLUTION

To resolve this problem, obtain Windows XP COM+ Hotfix Rollup Package 14. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
922668  (http://support.microsoft.com/kb/922668/ ) Availability of Windows XP COM+ Hotfix Rollup Package 14

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Microsoft COM+ 1.5
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
Keywords: 
kbbug kbfix kbqfe kbprb kbwinxppresp3fix KB917608
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