DOCUMENT:Q259158  11-JUN-2002  [exchange]
TITLE   :XADM: How to Manually Remove Exchange Server 5.5 Completely
PRODUCT :Microsoft Exchange
PROD/VER::5.5
OPER/SYS:
KEYWORDS:exc55

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The information in this article applies to:

 - Microsoft Exchange Server, version 5.5 
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IMPORTANT: This article contains information about modifying the registry. Before you 
modify the registry, make sure to back it up and make sure that you understand how to restore 
the registry if a problem occurs. For information about how to back up, restore, and edit the 
registry, click the following article number to view the article in the Microsoft Knowledge Base:

   Q256986 Description of the Microsoft Windows Registry

SUMMARY
=======

This article describes the steps to completely remove Microsoft Exchange Server
5.5 from a computer manually.

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

IMPORTANT: Before you perform the steps in this article, please make sure that
you have backed up any information that you may need. If you perform these
steps, you delete all aspects of Exchange Server from your computer. If you
perform an offline backup, make sure that the databases are consistent before
you remove the installation. For additional information, click the article
numbers below to view the articles in the Microsoft Knowledge Base:

   Q237767 XADM: Making and Restoring Offline Backups

   Q182903 XADM: ESEUTIL Command Line Parameters

To completely remove Microsoft Exchange Server 5.5 from a computer manually,
perform the following steps:

WARNING: If you use Registry Editor incorrectly, you may cause serious problems
that may require you to reinstall your operating system. Microsoft cannot
guarantee that you can solve problems that result from using Registry Editor
incorrectly. Use Registry Editor at your own risk.

1. In Control Panel, double-click Services, and then stop the Exchange Server
   system attendant. This stops all Exchange Server services.

2. Insert the Microsoft Exchange Server CD-ROM, click Install, and then click
   Remove All. Follow the instructions to remove all of the Exchange Server
   files that were installed during setup and were never modified.

   NOTE: If you are using Small Business Server 4.5, the Exchange setup program
   (setup.exe) is located on CD #3 under the Exchsrvr\Server\Setup\i386 folder.

3. Start Registry Editor (Regedt32.exe).

4. Locate the following subkey in the registry:

   HKEY_LOCAL_MACHINE/System/CurrentControlSet/Services

5. Delete all of the installed Exchange Server services. The following are the
   most commonly used Exchange Server services:

    - ESE97

    - MSExchangeDS

    - MSExchangeES

    - MSExchangeIMC

    - MSExchangeINS

    - MSExchangeIS

    - MSExchangeKMS

    - MSExchangeMTA

    - MSExchangeSA

   If other MSExchange services are present, delete them also.

6. Locate the following subkey in the registry:

   HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft

7. Delete the three following subkeys:

    - EDB

    - ESE97

    - Exchange

8. When the following message is displayed, click Yes.

   Registry Editor may delete the currently selected key and all its subkeys.

9. Quit Registry Editor.

10. In Microsoft Windows NT Explorer, delete the Exchsrvr folder and all of the
   subfolders under this folder. If you have multiple hard disks on the
   computer, you need to delete the Exchsrvr folder from all of these hard
   disks.

   NOTE: If you are unable to delete the Exchsrvr folder, rename the Exchsrvr
   folder and then delete it.

11. Restart the Exchange server.

Additional query words: XMRP uninstall manual manually

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Keywords          : exc55 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : :5.5
Issue type        : kbhowto

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Copyright Microsoft Corporation 2002.