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Can't uninstall Exchange 2003

Posted on 2012-03-14
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Last Modified: 2012-03-19
Hi, we just migrated from Exchange 2003 on a Server 2003 machine to Exchange 2010 on a 2008R2 machine.  Everything has been successful, but I am unable to uninstall Exchange from the 2003 box.  When I go into control panel, add remove programs, Microsoft Exchange, Change/Remove, when I go to change the action for Microsoft Exchange to remove, I get the following error message:

"Setup encountered an error while checking prerequisites for the component 'Microsoft Exchange': 0x80072030 (8240): There is no such object on the server."

If I selecect Change instead of Remove, the Next button remains grayed out.

My question is:

1)  Do I need to uninstall Exchange from this server to have it removed from the network and gone from Active Directory?
2)  If I do, what do I need to do?
3)  If I don't need to uninstall, what steps do I need to take?

Here is what I have done to prepare for the uninstall:

a) Moved all malboxes off the old server and deleted system mailbox users
b) Moved public folders to Ex2010
c) Dismounted the Public Folder store
d) Deleted public folders
e) Moved generation of OAB to the new server
f) Deleted recipient update services
g) Removed the routing group connector to the Exchange 2010 machine

Thanks in advance for your help.
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Question by:Stolzman
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by:vmagan
ID: 37722091
If everything is off of the exchange 2003 server (mailboxes, databases,etc) then you can just go ahead and uninstall.

http://technet.microsoft.com/en-us/library/bb125110(v=exchg.65).aspx
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by:Stolzman
ID: 37722114
I can't do that, as I get the error message described in the original post.  Everything is off, but it won't uninstall.  The questions are:  

1)  Do I need to uninstall Exchange from this server to have it removed from the network and gone from Active Directory?
2)  If I do, what do I need to do?
3)  If I don't need to uninstall, what steps do I need to take?
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Expert Comment

by:vmagan
ID: 37722161
try this:

http://support.microsoft.com/kb/283089

seems to be the same issue that you are having.
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by:Stolzman
ID: 37725919
I have been through all the steps in this article.  I can't removed MS Exchange.  I've removed Mgt tools, but they still appear.  

Do I need to remove exchange from the network, or can I just reformat the server?
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by:vmagan
ID: 37726509
Try removing it from the network first. You're not using it so it shouldnt harm anyone.

Exchange has always been hell to uninstall. If that doesnt work i would just say reformat if its not too much work.
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by:Stolzman
ID: 37726748
I think that is what I will do.  Shut it down and see if it has any bad effects.  If nothing in a month, I can flatten the server.
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by:vmagan
vmagan earned 250 total points
ID: 37726767
Sounds like your best bet right now.
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SatyaPathak earned 250 total points
ID: 37728782
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by:Stolzman
ID: 37730376
Went through the steps in http://blog.chrislehr.com/2010/02/uninstalling-exchange-2003-8240-error.htm, but the postmaster account is already the administrator.  

I believe I will go through the steps in this article under manually remove exhcange server 2003 next Monday, unless there is a better suggestion.
http://support.microsoft.com/kb/833396
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by:Stolzman
ID: 37739534
Hi, my recent post solved the problem.  The Exchange server is gone from the network.  Awarding split points to Pathak and vmagan for good suggestions and working with me, even though neither got the solution.  Thanks for you help.
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