Microsoft KB Archive/296790

= The disaster recovery Setup program does not detect previously installed components when you run it on an Exchange 2000 or an Exchange 2003 computer =

Article ID: 296790

Article Last Modified on 10/25/2007

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APPLIES TO


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

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This article was previously published under Q296790





SYMPTOMS
After you run a disaster recovery on a computer that is running Microsoft Exchange 2000 Server or Microsoft Exchange Server 2003 by using the following command, the core Exchange Server services are not installed:

setup /disasterrecovery

No errors are logged in the Exchange Server Setup log or in the event logs.



CAUSE
When the disaster recovery Setup program runs, all components except the root component are set to &quot;no action&quot; even though there were several components installed on the server originally. Therefore, the services are not installed.



Exchange 2000
To correctly recover Exchange 2000, restore a System State backup before trying Exchange disaster recovery. The Exchange 2000 Setup program will then discover the previously installed components.

If a System State backup is not available, it is still possible to run the Setup program and to manually select your previously installed components while the Setup program is running. This procedure is not as reliable and may cause additional problems. To make sure that components are installed, set them manually to Disaster Recovery on the Component Selection menu. After you do this, the components will be correctly installed in the disaster recovery mode.

Exchange 2003
This issue has been resolved in Exchange 2003 Server. The Exchange 2003 disaster recovery Setup program will detect previously installed components. However, to correctly recover Exchange 2003, restore a System State backup before you try to run an Exchange disaster recovery.

If a System State backup is not available, you can still run the Setup program and verify that the previously installed components are reinstalled. This procedure is not as reliable and may cause additional problems. In the Exchange setup process, verify that all previously installed components are set to Disaster Recovery on the Component Selection menu.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For additional information about disaster recovery, click the following article number to view the article in the Microsoft Knowledge Base:

326052 White Paper - Disaster Recovery for Microsoft Exchange 2000 Server

Additional query words: XADM

Keywords: kbbug kbpending KB296790

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