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Microsoft KB Archive/255672

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Knowledge Base

CAPS LOCK Functionality Is Inverted During Terminal Server Client Logon

Article ID: 255672

Article Last Modified on 2/28/2007


  • Microsoft Windows NT Server 4.0, Terminal Server Edition Service Pack 4
  • Microsoft Windows NT Server 4.0, Terminal Server Edition Service Pack 5

This article was previously published under Q255672


The CAPS LOCK functionality may be inverted during Terminal Server client logon. This affects only Service Pack 4 and 5 for Windows NT 4.0 Terminal Server. If CAPS LOCK is turned on when a Terminal Server client is started, its function is inverted (lowercase characters are produced). If it is off, uppercase characters are produced. This continues until after the logon process is finished. The CAPS LOCK operation then returns to normal.


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:


Make sure that CAPS LOCK is turned off before starting the Terminal Server client.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB255672