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Q291798: Performance Loss When Termsrv.exe Uses Registry Keys

Article: Q291798
Product(s): Microsoft Windows NT
Version(s): 4.0,4.0 SP6
Operating System(s): 
Keyword(s): kbenv kbtool kbWinNT400PreSP7Fix
Last Modified: 08-MAY-2002

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The information in this article applies to:

- Microsoft Windows NT Server versions 4.0, 4.0 SP6, Terminal Server Edition 
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SYMPTOMS
========

When the Termsrv.exe process is running, a performance loss may occur. Note that
this problem may be more noticeable when you start programs.

CAUSE
=====

On a Windows NT Server 4.0, Terminal Server Edition-based computer, the
Termsrv.exe process frequently uses certain registry keys, especially when you
start programs. When the Termsrv.exe process uses these registry keys, a
performance loss may occur.

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems experiencing this specific problem. This fix may receive additional
testing at a later time, to further ensure product quality. Therefore, if you
are not severely affected by this problem, Microsoft recommends that you wait
for the next Windows NT Server 4.0, Terminal Server Edition service pack that
contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services
to obtain the fix. For a complete list of Microsoft Product Support Services
phone numbers and information about support costs, please go to the following
address on the World Wide Web:

  http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.

To help manage use of the frequently-used registry keys and to try to help
improve performance, the frequently-used registry keys are now cached.

The English version of this fix should have the following file attributes or
later:

  Date        Time             Size     File name     Platform
  ------------------------------------------------------------
  11/27/2000  07:37p           408,848  Kernel32.dll  Intel
  09/22/1999  10:13p           640,272  Kernel32.dll  Alpha



STATUS
======

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


Additional query words:

======================================================================
Keywords          : kbenv kbtool kbWinNT400PreSP7Fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400 kbNTTermServ400sp6 kbNTTermServSearch
Version           : :4.0,4.0 SP6
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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