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Q269214: ICA Browser Hangs with Windows NT 4.0 Terminal Server SP6

Article: Q269214
Product(s): Microsoft Windows NT
Version(s): 4.0 SP6
Operating System(s): 
Keyword(s): kb3rdparty kbenv kbWinNT400PreSP7Fix kbbpqfe1a kbgraphxlinkcritical
Last Modified: 08-MAY-2002

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The information in this article applies to:

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

After you apply Windows NT Server 4.0, Terminal Server Edition, Service Pack 6
(SP6), any of the following symptoms may occur:

- Users may not be able to access information on servers by using either Citrix
  Server Administrator or Terminal Server Administrator. This behavior may
  occur sporadically.

- Csrss.exe processes may not terminate properly after a client session logoff.
  These orphaned Csrss.exe processes stop responding (hang) until you reboot
  the server.


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 4.0 Server, Terminal Server Edition service pack that
contains this fix.

To resolve this problem immediately, download the fix as instructed below or
contact Microsoft Product Support Services to obtain the fix. 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:

  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.


The following file is available for download from the Microsoft Download Center:

  Download Download Q269214i.exe now
  (http://www.microsoft.com/downloads/release.asp?ReleaseID=24031)

For additional information about how to download Microsoft Support files, click
the article number below to view the article in the Microsoft Knowledge Base:

  Q119591 How to Obtain Microsoft Support Files from Online Services

Microsoft used the most current virus detection software available on the date of
posting to scan this file for viruses. After it is posted, the file is housed on
secure servers that prevent any unauthorized changes to the file.

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

  Date        Version         Size    File name    Platform
  ---------------------------------------------------------
  08/17/2000  4.0.1381.33402  12,600  Tdasync.sys  x86
  08/17/2000  4.0.1381.33402  18,488  Tdipx.sys    x86
  08/17/2000  4.0.1381.33402  17,016  Tdnetb.sys   x86
  08/17/2000  4.0.1381.33402  10,232  Tdpipe.sys   x86
  08/17/2000  4.0.1381.33402  16,152  Tdspx.sys    x86
  08/17/2000  4.0.1381.33402  18,360  Tdtcp.sys    x86



WORKAROUND
==========

As a workaround, you can reboot the server, or revert to Windows NT Server 4.0,
Terminal Server Edition, Service Pack 5.

STATUS
======

Microsoft has confirmed this to be a problem in Windows NT 4.0 Server, Terminal
Server Edition.

Additional query words: WTS Independent Computing Architecture

======================================================================
Keywords          : kb3rdparty kbenv kbWinNT400PreSP7Fix kbbpqfe1a kbgraphxlinkcritical 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400sp6 kbNTTermServSearch
Version           : :4.0 SP6
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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