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Q183976: XFOR: 3 KB or Larger Attachments Cause PROFS Connector to Stop

Article: Q183976
Product(s): Microsoft Exchange
Version(s): WINDOWS:5.5
Operating System(s): 
Keyword(s): kbusage
Last Modified: 09-APR-1999

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

If you attempt to send a message containing an attachment that is larger than 3
KB in size through the Microsoft Exchange PROFS Connector, and the associated
Microsoft SNA Server connection is configured for a frame size greater than 3
KB, the Exchange PROFS Connector may stop unexpectedly.

CAUSE
=====

There is a problem in Microsoft Windows NT Server that causes the SNA Server
computer to end all existing connections under these conditions. This causes the
Exchange PROFS Connector to stop unexpectedly.

RESOLUTION
==========

To work around this problem, use one of the following methods:

- Configure the SNA Server connection so that the frame size is not greater
  than 3 KB.

- Obtain the appropriate Microsoft Windows NT Server fix. For information about
  how to do so, please see the following article in the Microsoft Knowledge
  Base:

  Q175321 SNA Client Sessions Hang Until SNA Server Is Restarted

Additional query words: rscs buffer officevision ov/vm dlc.sys

======================================================================
Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : WINDOWS:5.5
Issue type        : kbbug
Solution Type     : kbfix

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