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Q266742: XCON: MTA Logs 9405 Exception Error When Starting on Cluster

Article: Q266742
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s): 
Keyword(s): exc55 kbExchange550preSP4fix kbExchange550sp4Fix
Last Modified: 11-NOV-2000

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The information in this article applies to:

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

When the message transfer agent (MTA) service starts during cluster setup, the
MTA may log the following incorrect 9405 error message:

  An unexpected error has occurred which may cause the MTA to terminate.
  Error: Allocate more buffer space 260. [BASE MAIN BASE 1] (16)

This error message is not harmful; the MTA service starts successfully and
continues to run without any errors.

CAUSE
=====

This issue can occur if more buffer space needs to be allocated for the returned
node name. In the MTA service records this as fatal error, however, the MTA
correctly allocates more buffer space.

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, ignore the error message in the "Symptoms" section of
this article.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 5.5. This problem was first corrected in Exchange Server 5.5 Service
Pack 4.


Additional query words: cluster mta 9405 buffer

======================================================================
Keywords          : exc55 kbExchange550preSP4fix kbExchange550sp4Fix 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbbug
Solution Type     : kbfix

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