Article: Q260167
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s):
Keyword(s): exc55 kbExchange550preSP4fix kbExchange550sp4Fix
Last Modified: 10-NOV-2000
-------------------------------------------------------------------------------
The information in this article applies to:
- Microsoft Exchange Server, version 5.5
-------------------------------------------------------------------------------
SYMPTOMS
========
The Exchange Server message transfer agent (MTA) may stop communicating with
other MTAs on servers in the same site.
CAUSE
=====
This issue can occur if the MTA experiences a large number of connection
failures over an extended period of time and loses connection resources that are
necessary to connect to other MTAs in the site.
RESOLUTION
==========
To resolve this problem, obtain the latest service pack for Exchange Server 5.5.
For additional information, please see the following article in the Microsoft
Knowledge Base:
Q191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack
WORKAROUND
==========
To work around this issue, restart the MTA to reset any connection resources and
enable the MTA to communicate with other MTAs in the same site.
STATUS
======
Microsoft has confirmed this to be a problem in Microsoft Exchange version 5.5.
This problem was first corrected in Exchange Server 5.5 Service Pack 4.
MORE INFORMATION
================
This issue does not cause any loss of communication between servers in different
sites by using any connector (Site, X.400, SMTP, and so on).
Additional query words:
======================================================================
Keywords : exc55 kbExchange550preSP4fix kbExchange550sp4Fix
Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version : winnt:5.5
Issue type : kbbug
Solution Type : kbfix
=============================================================================