XADM: Exchange Server 5.5 Event Service Does Not Start After Restoration and an Event ID 5 Message Is Logged

After you restore an Exchange Server 5.5 computer, the Event service may not start on the Exchange Server 5.5 computer, and then the following event ID message may be logged in the Microsoft Windows NT Application event log:

This issue can occur if you use an incorrect organization or site name when you restore an Exchange Server 5.5 computer. The following registry key entries contain an incorrect organization or site: NOTE: The above registry keys are one path; they have been wrapped for readability.

This issue can also occur if you restore an Exchange Server 5.5 computer and you use an incorrect organization or site, and then instead of performing a reinstallation of the server, you correct only the following registry key entry: All of the Exchange services restart except the Event service (MSExchangeES), and the event ID message in the "Symptoms" section of this article is logged.

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.


To resolve this issue, change the registry entries to correspond to the correct organization and site names specified in the Exchange Server 5.5 directory, and then restart the Event service:

1. Start the Microsoft Exchange Server 5.5 Administrator program.
2. Right-click the Organization and Site containers, and then note the directory names.
3. Start Registry Editor (Regedt32.exe).
4. Locate the appropriate values in the following registry keys:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeSA\ Parameters\Enterprise
   NOTE: This registry key must correspond to the organization directory name that you retrieved in the Microsoft Exchange Server 5.5 Administrator program in step 2.
   -and-
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeSA\ Parameters\Site
   NOTE: This registry key must correspond to the site directory name retrieved in the Microsoft Exchange Server 5.5 Administrator program in step 2.
   
   
5. On the Edit menu, click String, modify the value to correspond to the correct organization (Enterprise) or site name, and then click OK.
6. Quit Registry Editor.

NOTE: The Exchange Server organization, server and site names are case sensitive. Make sure that you type the correct name and case for each value.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base: