This article was previously published under Q214802
This article has been archived. It is offered "as is" and will no longer be updated.
A problem in Windows NT enables someone with physical access to the console of a Windows NT system where a user is currently logged on and the console is locked to retrieve the first line of text from the logged on user's clipboard. This is done by pasting (pressing CTRL+V) the clipboard contents into the User name field of the Unlock Workstation dialog box. Microsoft has not received any reports of adverse effects as a result of this issue.
Terminal Server connections are not affected by this bug, although the Terminal Server console would be.
Windows NT 4.0
Windows NT 4.0 with Service Pack 4
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
152734how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
WARNING: If you install the SP3 version of this hotfix you may invalidate other Post-SP3 hotfixes that also include the replacement of Msgina.dll in the %Windows%\System32 folder. To eliminate the vulnerabilities identified in this fix and other Post-SP3 fixes, please install Service Pack 4 and then apply the Post-SP4 version of this hotfix.
Windows NT Server 4.0, Terminal Server Edition
To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
This hotfix has been posted to the following Internet location:
Microsoft has confirmed that this is a problem in Windows NT 3.51 and 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT Server 4.0, Terminal Server Edition Service Pack 4 and Windows NT 4.0 Service Pack 5.
Gina-fix also resolves the problem discussed in the following article in the Microsoft Knowledge Base:
188700 Screensaver Password Works Even if Account Is Locked Out
Microsoft Windows NT Server 4.0 Enterprise Edition, Microsoft Windows NT Workstation 3.51, Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows NT Server 3.51, Microsoft Windows NT Server 4.0 Standard Edition