Microsoft KB Archive/323672

= Exchange Routing Engine Service does not start automatically or manually after you remove IIS and then reinstall it =

Article ID: 323672

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition
 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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This article was previously published under Q323672



SYMPTOMS
After you remove and then reinstall Internet Information Server (IIS) on your Microsoft Exchange server, the following Exchange services may not start:
 * Microsoft Exchange Routing Engine
 * Microsoft Exchange POP3
 * Microsoft Exchange IMAP4
 * Microsoft Exchange Event

When you try to manually start the Microsoft Exchange Routing Engine service, you may receive the following error message:

Could not start the Microsoft Exchange Routing Engine service on Local Computer. Error 1083: The executable program that this service is configured to run in does not implement this service.

If you try to resolve this issue by using the information in the following Microsoft Knowledge Base article

277770 Event 7000 occurs when attempting to start Exchange services

you may experience the following behaviors when you try to manually start the Microsoft Exchange Routing Engine service:  You receive the following error message:

Could not start the Microsoft Exchange Routing Engine service on Local Computer. Error 3: The system cannot find the path specified.

 The following event may appear in the System Log in Event Viewer:

Event ID: 7023 Source: Service Control Manager Description: The Microsoft Exchange Routing Engine service terminated with the following error: The system cannot find the path specified.





RESOLUTION
To resolve this issue, reinstall Exchange, and then reapply the most recent service pack. To do this, follow these steps:

Step 1: Back Up the Data
Complete an online backup of the Microsoft Information Store and System State data.

For additional information about how to back up the Microsoft Information Store data, search Exchange Server Help for &quot;Back Up Exchange Data.&quot;

For additional information about how to back up the System State data, search the Microsoft Windows 2000 Server Help for &quot;Back up files to a file or a tape.&quot;

Step 2: Reinstall Exchange Server
 Insert the Exchange CD in the CD-ROM drive or DVD-ROM drive, and then double-click :\Setup\I386\Setup.exe (where   is the drive that contains the Exchange CD).

Note Make sure that you run the Setup.exe file with the /disasterrecovery switch. In the Exchange installation wizard, click Next. In the Action column, click Disaster Recovery for each installed component, click Next, and then follow the on-screen instructions to complete the Installation Wizard. Reapply all Exchange service packs and hotfixes.</li></ol>

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MORE INFORMATION
For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

320202 How to remove and reinstall IIS and Exchange

243380 How to use the Windows 2000 Backup utility to perform an online backup

301378 How to obtain the latest Exchange 2000 Server service pack

Additional query words: XCON

Keywords: kberrmsg kbprb KB323672

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