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how to remove first Exchange Server 2003 computer from the administrative group when the Server no longer exists

The environment is:

Exchange Server 2003 Standard (SP2?)

Initially, Exchange was installed on a single server
A new server has been added to the Exchange organization as the old server was starting to give problems and all mailboxes except one, were moved to the new server
Before I could move the last mailbox or transfer/replicate any of the roles & public folders as per http://support.microsoft.com/kb/822931 the Server crashed and died, and can no longer be revived.
When I access Expand Public Folders, and then try to expand Offline Address Book, (as per kb 822931) I get the following error message

"The operation failed due to an invalid format in the http request. Verify that the host header is correct for the virtual server
ID no: c1030af0
Exchange System Manager"

1. How do I change the new Exchange Server to assume all of the Master Exchange Server roles with the old one being dead?
2. How do I get the last mailbox reconnected to the new Exchange Server (I have a full .pst backup of the mailbox)
    ( I tried to delete the mailbox from AD User Active Directory Users and Computers Console & Created New Mailbox on the New Server, but I cannot get outlook to verify the user when setting up his profile on outlook)

Urgent assitance will be very much appreciated

Kind regards

Carel Smith
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1 Solution
Malli BoppeCommented:
Go the exchange system manager and delete the old exchange server.
Install ADSIEDIT and and search for the old server and delete all references.
CarelSmithAuthor Commented:
Thank you, I deleted the Old Exchange Server from the Exchange System Manager
It seems to resolve the user's full name in the mailbox setup screen, and I do not get the error while expanding public folders anymore
I have not been able to find a search function in ADSI Edit though, so I am not sure if there are any other instances or references of the old server left in the AD
Will that be problematic? Is there a specific way to search, or an alternative way to search for references of the old Server?
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CarelSmithAuthor Commented:
I think the solution was complete
Will wait for further info
Malli BoppeCommented:
I can't remember if their is a serach function.If not then you can go to

Configuration Container -> CN=Services -> CN=Microsoft Exchange -> CN=<Your_Organization_Name> -> CN=Administrative Groups -> CN=<Your_Administrative_Group_Name> -> CN=Servers

CarelSmithAuthor Commented:
Thank you very much, all seems to be working perfectly

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