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Exchange site errors after upgrade

We have a remote site where the administrator there moved mailboxes from a 5.5 Exchange to a 20003 Exchange.  Fine.  What I also found out is that the admin there upgraded AD there from 2000 to 2003 w/out domain prep or anything.  Email is screwed there as users cannot send mail or recieve.  In our site we get looping MTA messages errors.

How do we fix this issue???
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ikeepon
Asked:
ikeepon
1 Solution
 
Stacy SpearPresident/Principal ConsultantCommented:
you need to run the domain and AD preps now.

What did he do with the 5.5 brigeheads? Are they still in place? Did he go rogue and just do this? If so, this should be a RPE.

Is your company under one org? If so, you may have to upgrade as well. I believe (but not sure) that an entire site must be running same version.
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SembeeCommented:
Did you already have any Exchange 200x servers in the org? If not, the change from Exchange 5.5 to 2003 is a major job. The domain upgrade is also something that shouldn't be taken lightly.

If this was done without any authority from those who are responsible for this, then he should be looking for another job right now. If he was working for me he would have gone around 10 minutes after I found out what he had done.

On the other sites you might get away with cycling the Exchange services round. That may settle things down.
However without further knowledge of the Exchange org, it is going to be difficult to make further suggestions.

Simon.
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ikeeponAuthor Commented:
I found out he demoted the master domain controller and promoted a new one without replicating...sheesh.  Exchange 2003 was already there...he wound up calling Microsoft.
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Computer101Commented:
PAQed with points refunded (500)

Computer101
EE Admin
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