Remove Exchnage2003

We have migrated the exchnage2003 to exchnage2010.
The exchnage 2003 servers were hosting the public folder only.
One of the exchnage2003 server has died and we do not have the backup.
Is there anyway we can remove that from exchnage2010 orgnization.
My worries is that the server is longer in service and can not uninstall exchnage2003 installation.
I will appreciate your help on this.
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sara2000Asked:
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Satyendra SharmaMicrosoft UC Technical ArchitectCommented:
Did you move the public folder tree from 2003 to 2010 as part of the migration as well?
What was that 2003 server serving?
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Satyendra SharmaMicrosoft UC Technical ArchitectCommented:
If that server was not serving any purpose then you may just delete the server object from ADSIEDIT from the Exchange 2003 Administrative group, i wouldn't recommend deleting the entire 2003 AG because even if 2003 servers were decommissioned properly the AG remains in AD, so just removing the server object is what you might need.

Do take a AD backup before deleting objects.
Here is an article for this - http://blog.dargel.at/2012/02/23/remove-legacy-exchange-server-using-adsi/
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sara2000Author Commented:
You caught me on this question below.
I am new to exchange, What was that 2003 server serving?
How do I back up the AD?
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Making Bulk Changes to Active Directory

Watch this video to see how easy it is to make mass changes to Active Directory from an external text file without using complicated scripts.

Satyendra SharmaMicrosoft UC Technical ArchitectCommented:
AD is backed up under system state backup of the domain controller.
Did you have any mailbox or anything on that server?
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sara2000Author Commented:
I was told that this servers used to be the mailbox servers prior to migrating to Exchange2010 three years ago. They were also repository for public folders at that time, not now.
One of the tech in my group states that ADSI edit alone would not help. We have to uninstall the software while server is on line. Do not undersigned that why because , One server died and do not see any alert or disruptive on exchange 2010 .
I believe removing the the server using above link should help and want to make sure with you all?
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Satyendra SharmaMicrosoft UC Technical ArchitectCommented:
If there was no longer any mailbox or public folder on the 2003 server, why did have that server running in the environment anyway... but anyway.

While uninstalling exchange from the server while it is online removes the AD object as well as cleans up the binary on the local server, in your case the server is already dead so i would just cleanup the AD by deleting the 2003 object using ADSIEDIT. Exchange 2010 uses a different 'Administrative Group' all together so it shouldn't impact anything in that organization. One think you might want to check if there is still any Routing group connector between the two environment if yes then get rid of that too.

If you are too worried about deleting object from AD then one way would be to bring up a server with the same name and run Exchange install with /disasterrecovery switch and then perform a uninstall. http://www.msexchange.org/articles-tutorials/exchange-server-2003/high-availability-recovery/Recovering-Failed-Exchange-2003-Member-Server-Using-Disaster-Recovery-Switch.html
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