Event 7000 Occurs When Attempting to Start Exchange Services

When you attempt to start Exchange services that run in the Inetinfo.exe tool, you may receive the following error message: The following event is logged in the system event log: This issue occurs when you start the following services:

• Simple Mail Transport Protocol (SMTP)
• Network News Transport Protocol (NNTP)
• Post Office Protocol version 3 (POP3)
• Internet Message Access Protocol version 4 (IMAP4)
• Microsoft Exchange Routing Engine

This issue can occur because these services have not been configured to run in the Inetinfo.exe tool. They have been either configured to run in the Dllhost.exe tool, or not configured to run in any tool.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
To resolve this issue, follow these steps:

1. Start Registry Editor (Regedt32.exe).
2. Locate and click the following registry key:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\InetInfo\Parameters\DispatchEntries
3. Click the value for the service that you attempted to start.
4. On the Edit menu, click Multi String, and then add the following values:
   Ldapsvc
   Smtpsvc
   Nntpsvc
   Imap4svc
   Pop3svc
   Resvc
5. Click OK.
6. Quit Registry Editor.
7. Start Administrative Tools, click Services, and then restart the Internet Information Service (IIS) Administrator service.

Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.