Article: Q187780
Product(s): Microsoft Exchange
Version(s): WINDOWS:5.5; WINNT:4.0
Operating System(s):
Keyword(s):
Last Modified: 18-MAY-2001
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The information in this article applies to:
- Microsoft Exchange Server, version 5.5
- the operating system: Microsoft Windows NT 4.0
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SYMPTOMS
========
- When you are running Microsoft Exchange Server 5.5 on Windows NT Server 4.0
with Service Pack 3, you receive an exception error when a heavy load is
placed on the local directory.
- When POP3 clients or SMTP clients initialize sessions with their Microsoft
Exchange directory, an exception is generated, stating:
The exception unknown software exception (0XC0000009A) occurred in the
application at the location 0x77f88C01. Click OK to terminate
application.
- If you try to stop the Exchange services, the computer stops responding
(hangs). You must restart your computer to regain control. On a computer with
the SMTP or POP3 user capability that is in the process of high user load,
the system produces the exception mentioned previously.
CAUSE
=====
A Max File Handle Limitation has been reached on this computer. The registry
settings at
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/SMTPSRV/Parameters
for the following:
- Cache entry #
- Cache table
- TTL
are insufficient to handle the load.
STATUS
======
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This
problem was corrected in the latest Windows NT 4.0 U.S. Service Pack. For
information on obtaining the Service Pack, query on the following word in the
Microsoft Knowledge Base (without the spaces):
S E R V P A C K
MORE INFORMATION
================
The SMTPSRV key of the registry is only present when Internet Information Server
version 3.0 or 4.0 is installed.
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Keywords :
Technology : kbWinNTsearch kbWinNTSsearch kbExchangeSearch kbExchange550 kbExchange400 kbZNotKeyword2
Version : WINDOWS:5.5; WINNT:4.0
Issue type : kbbug
Solution Type : kbfix
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