DOCUMENT:Q157987  14-JAN-2000  [exchange]
TITLE   :XADM: Windows NT SP5 Overwrites Ntbackup.exe
PRODUCT :Microsoft Exchange
PROD/VER:winnt:4.0
OPER/SYS:
KEYWORDS:kbsetup

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The information in this article applies to:

 - Microsoft Exchange Server, version 4.0 
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SYMPTOMS
========

If you install a copy of Windows NT Server 3.51 Service Pack 5, the version of
Windows NT Backup (Ntbackup.exe) installed lacks Microsoft Exchange
functionality.

RESOLUTION
==========

To resolve this problem, replace the Ntbackup.exe in your Windows\System32
directory with the one in Setup\<Platform>\Ntbackup.exe on the Microsoft
Exchange Server distribution media that matches your version of Microsoft
Exchange Server.

NOTE: Make sure you use the correct version of Microsoft Exchange Server. For
example, if you have Microsoft Exchange Server version 4.0 with Service Pack 2
installed, copy the Ntbackup.exe should be copied from the Service Pack 2
distribution media (compact disc).

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

A further symptom caused by using the Ntbackup.exe containing the Microsoft
Exchange module, hardware compression will be off by default. For additional
information, please see the following article in the Microsoft Knowledge Base:

   Q136024 Tape Hardware Data Compression Disabled After Running NTBackup

Additional query words: SP5 NTBACUP.EXE Build 1057

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Keywords          : kbsetup 
Technology        : kbExchangeSearch kbExchange400 kbZNotKeyword2
Version           : winnt:4.0

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