FIX: An Error event is logged in the System log when you set a COM component to run as the NT AUTHORITY\SYSTEM user on a computer that is running Windows XP

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.
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 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 Description of the standard terminology that is used to describe Microsoft software updates
COM+ RunAs System
Properties

Article ID: 917608 - Last Review: 12/09/2015 05:24:37 - Revision: 1.3

Microsoft COM+ 1.5, Microsoft Windows XP Professional, Microsoft Windows XP Home Edition

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