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Q264102: XADM: Third-Party Backup Programs Do Not Work After ESE Fix

Article: Q264102
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s): 
Keyword(s): exc55 kbExchange550preSP4fix kbExchange550sp4Fix
Last Modified: 10-NOV-2000

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The information in this article applies to:

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

After you install the Extensible Storage Engine (ESE) fix that is described in
the following Microsoft Knowledge Base article

  Q254682 XADM: Exchange Server 5.5 Post-SP3 Database Engine Fixes

Cheyenne ARCserve 6.5 and other third-party backup programs may stop responding
when you back up Exchange Server databases.

CAUSE
=====

This issue can occur because the Edbbcli.dll file stops some third-party backup
programs during overlapped input/output (I/O) and attempts to read beyond the
end of a file.

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, replace the Edbbcli.dll file with the Exchange Server
5.5 Service Pack 3 (version 5.5.2650.17) version of the Edbbcli.dll file until
the fix that is described in this article is available.

STATUS
======

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

MORE INFORMATION
================

The third-party products discussed in this article are manufactured by vendors
independent of Microsoft; we make no warranty, implied or otherwise, regarding
these products' performance or reliability.

Additional query words:

======================================================================
Keywords          : exc55 kbExchange550preSP4fix kbExchange550sp4Fix 
Component         : JET MDB Backup/Rest
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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