What's the final step after migrating Exchange 2003 into 2007 ?

Hi All,

I wonder what is the final or proper steps that you need to do in order to successfully decommission the old Exchange Server 2003 from AD ?

at the moment I have successfully migrated Exchange Server 2003 into 2007 and mail is working fine.

However when I run Get-ExchangeServer it is still there but without role assigned ?
Name                      Site                         ServerRole                 Edition    AdminDisplayVersion                       
----                      ----                         ----------                 -------    -------------------                       
Exchange07P01             None                       Enterprise Version 6.5 (Build 7638.2: Service Pack 2)
Exchange07P02             None                       Enterprise Version 6.5 (Build 7638.2: Service Pack 2)
Exchange07P02-VM COMPANY-City1                       ClientAccess, HubTransport Enterprise Version 8.1 (Build 240.6)                 
Exchange07P03-VM COMPANY-City1                       ClientAccess, HubTransport Enterprise Version 8.1 (Build 240.6)                 
Exchange07R02-VM COMPANY-DRSite-City2                ClientAccess, HubTransport Enterprise Version 8.1 (Build 240.6)                 
Excluster01   COMPANY-City1-City1                     Mailbox             Enterprise Version 8.1 (Build 240.6)

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jjozAsked:
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Muzafar MominCommented:
you will need to for below link if exchange 2003 is the first exchange server in your domain

http://support.microsoft.com/kb/822931
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jjozAuthor Commented:
Ok, can i just select uninstall from the server ?
I am afraid to make changes in my AD server since I don't think there is roll back method in this case.
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MegaNuk3Commented:
I suggest you turn off the server for a couple of days and confirm everything still works, like OAB download etc. If everything works then turn it back on, wait for everything to start normally and then select uninstall...
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jjozAuthor Commented:
Thanks guys
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MegaNuk3Commented:
I don't know why you gave muzafar_13 points for posting the same link as me several hours later...
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