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Windows logon dialog box is not available when you run the Super User utility

Article ID:829640
Last Review:December 26, 2006
Revision:1.3

SYMPTOMS

When you try to log on to Microsoft Windows 2000 or to Microsoft Windows XP, the Log On to Windows dialog box may not be available.

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CAUSE

This issue may occur when both of the following conditions are true:
Nobody is logged on to the local computer.
A scheduled job uses the Super User utility (Su.exe) to run under a user account.
When the Super User utility runs, it switches to the default desktop. When nobody is logged on, this action hides the Windows logon dialog box.

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RESOLUTION

To resolve this issue, use one of the following methods:
Configure the Super User utility to run on its own desktop.

For information about the options available with this utility, type su.exe /? at a command line, and then press ENTER.

For example, to start the Super User utility on the default windowstation "winsta0" and on a new desktop "newdesktop", type the following command:

su.exe User_Name cmd.exe Domain_Name winsta0\newdesktop
Reduce the screen saver wait time.

When the screen saver appears, touch any key to dismiss it. The logon dialog box appears.

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STATUS

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

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APPLIES TO
Microsoft Windows XP Professional
Microsoft Windows 2000 Server
Microsoft Windows 2000 Professional Edition
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server

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Keywords: 
kbpending kbbug KB829640

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