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Reinstall of Exchange 2010 Fails - "The parameter 'preparead' cannot have a value"

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Reinstall of Exchange 2010 Fails - "The parameter ... - 17.Mar.2010 7:12:25 PM

NoDramas

Posts: 5
Joined: 3.Mar.2009
Status: offline

Hi Guys,
One of my engineers installed Exchange 2010 and in our Staging environment and put the wrong Exchange Org name (a new one).

He Followed the instructions from here to try and remove Exchange 2010:
http://msexchangehelp.wordpress.com/2010/02/10/manually-uninstall-last-exchange-2010-server-from-organization/

When we try and run a setup /PrepareAD we are now getting the following error:
=================
ERROR:
The parameter 'preparead' cannot have a value

   Organization Checks              ......................... COMPLETED
Setup is going to prepare the organization for Exchange 2010 by using 'Setup /P
repareAD'. No Exchange 2007 server roles have been detected in this topology. Af
ter this operation, you will not be able to install any Exchange 2007 server rol
es.

Configuring Microsoft Exchange Server

   Organization Preparation         ......................... FAILED
    The following error was generated when "$error.Clear(); initialize-Exchange
UniversalGroups -DomainController $RoleDomainController" was run: "The well-know
n object entry B:32:C262A929D691B74A9E068728F8F842EA:CN=Organization Management\
0ADEL:653bd025-d24e-4679-97a3-9e3949acc465,CN=Deleted Objects,DC=STAGING,DC=L
OCAL on the otherWellKnownObjects attribute in the container object CN=Microsoft
Exchange,CN=Services,CN=Configuration,DC=STAGING,DC=LOCAL points to an inval
id DN or a deleted object. Remove the entry, and then rerun the task.".

The Exchange Server setup operation did not complete. Visit http://support.micro
soft.com and enter the Error ID to find more information.

Exchange Server setup encountered an error.

=================

Any help on finding this object or other advice would, of course, be gratefully received.