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Removing Exchange 2003 competely after Migration to Exchange 2010

Posted on 2010-11-14
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Last Modified: 2012-08-14
I recently migrated from a single Exchange 2003 server on Windows 2003 to a new setup running Windows 2008 and Exchange 2010.  The migration seemed to go well except I was unable to remove the exchange 2003 install from the old server (I'm not really concerned I couldn't remove the software, it will be reimaged and deployed else where) So its been shut down and removed.  Now In the the Exchange 2010 Management Console, when I look at the oraganizational health it is still showing 1 2003 server.  I've tried everything I can think of, what do I need to do remove anything that this server exists in the exchange realm.  
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Question by:amenoss
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Akhater earned 250 total points
ID: 34132247
you should have uninstalled exchange 2003 from its setup this is the only clean way to remove it...

howerver since this is not a possibility anymore here is what you should do

on your windows 2008 server run adsiedit.msc

connect to the CONFIGURATION partition (not the default naming context)

services -> ms exchange -> organization -> first administrative group (or whatever name it had) -> servers find your 2003 server and right click delete it

make sure to delete ONLY the server. adsiedit is a very dangerous tool if you are not careful with it
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by:amenoss
ID: 34133184
I was able to re-install the server on the network and try to get exchange to uninstall through add/remove but go these errors (some parts did uninstall), after reboot exchange still shows in the add/remove programs.   Should I go with your previous advice or is there away to work around these to make it happen more "naturally" ?

Microsoft Exchange System Management Tools: "An unknown error has occurred.

Facility: Win32
ID no: e0070101
Microsoft Exchange Setup"

Microsoft Exchange Forest Preparation: "Cannot find the file.

ID no: c1037986
Microsoft Exchange Setup"

Microsoft Exchange Messaging and Collaboration Services: "An unknown error
has occurred.

Facility: Win32
ID no: e0070101
Microsoft Exchange Setup"
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by:Akhater
ID: 34134062
what do you mean bi reinstall ?? you have put online the same old server or another one the same name ?

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Author Comment

by:amenoss
ID: 34135982
It was the same old server I just put it back put it back on the network, and made sure it could communicate with AD.

An update to my last post that had the error messages, I was able to get around those by putting in the original exchange 2003 cd during the removal.  Exchange has been full removed from the server now, but the organiztional overview is still showing (1) Exchange 2003 server.
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Expert Comment

by:Akhater
ID: 34136238
try the ADSIEdit method and see if you can find it there.

it could be a replication latency thing
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by:amenoss
ID: 34137113
Just to confirm the path....

CN=Configuration, DC=Domain_Name,DC=com
CN=Services
CN=Microsoft Exchange
CN=My Org
CN=Administrative Groups
CN=First Adminstrative Group
CN=Servers
CN= Server Name  <-------------------------------Delete this line item ?
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Expert Comment

by:Akhater
ID: 34137191
Yes just this one

Of course assuming this is the one you want to remove
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Author Comment

by:amenoss
ID: 34137219
Yes, the Server Name reference is the exchange 2003 server that still shows
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Expert Comment

by:Akhater
ID: 34137275
Delete it
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Author Comment

by:amenoss
ID: 34137463
Once I did that,  and had it collect the organizational data again the Exchange 2003 server no longer shows in the EMC.
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Author Comment

by:amenoss
ID: 34137467
Thanks for your help.
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by:Akhater
ID: 34137706
Glad I helped
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