Microsoft KB Archive/254960

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XADM: Setup Is Unable to Determine a Valid Ordering for the Installation

Article ID: 254960

Article Last Modified on 10/27/2006


  • Microsoft Exchange 2000 Server Standard Edition

This article was previously published under Q254960


When you are preparing for a Microsoft Exchange 2000 Server installation, you must first run Setup.exe /ForestPrep followed by Setup.exe /DomainPrep in all domains that will host Exchange 2000 or that will have Exchange 2000 mailboxes.

If you try to run Setup.exe /DomainPrep before you run Setup.exe /ForestPrep, you receive the following error message:

Setup is unable to determine a valid ordering for the installation. See the error log for further details.


To avoid the scenario that the "Symptoms" section describes, run Setup.exe /ForestPrep before Setup.exe /DomainPrep.

Additional query words: exch2kp2w

Keywords: kberrmsg kbinfo KB254960