Microsoft KB Archive/156432

= Windows NT 4.0 Policy Restriction Error at Logon =

Article ID: 156432

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q156432



SYMPTOMS
Microsoft Windows NT version 4.0 allows administrators to create system policies that determine what programs users can run. In System Policy editor, an administrator can create a user policy, then create a list of allowable executables under User\System\Restrictions\Run only allowed Windows applications on the Properties screen. After creating this user policy, however, the affected user may receive the following error immediately after logging on:

This operation has been canceled due to restrictions in effect on this computer.

If the user continues past this error message, the Desktop will appear, but the arrow that normally appears, pointing to the Start button with the message "Click here to start," will not appear. Otherwise, the executables allowed in the system policy will run without error.



CAUSE
After you log on, a program called Systray.exe is run. This program creates the startup arrow and controls the message icons on the taskbar.

If Internet Explorer 4.0 is installed, the computer runs another program called Loadwc.exe. For a description of Loadwc.exe, see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 176960

TITLE : Description of the Loadwc.exe File in Internet Explorer



RESOLUTION
Add Systray.exe to the list of allowable executables in the System Policy.

If Internet Explorer 4.0 is been installed, Loadwc.exe also needs to be added to the list of allowable executables in the System Policy.

NOTE:You may also need to add mstinit.exe to the list of allowable executables in the System Policy. Mstinit.exe is part of Internet Explorer 5.5.

You may also want to use Regedit.exe or regedt32.exe and look at the following registry key for other applicaions that load during startup: HKLM\Software\Microsoft\Windows\CurrentVersion\Run

Additional query words: prodnt

Keywords: kbusage KB156432

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