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Proper Removal of secondary email domain from exchange and outlook

Posted on 2014-10-15
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Last Modified: 2014-10-20
we have an exchange 2003 environment with few domains used as aliases by different users. abc.com is the main domain. Recently, one of the aliased domain (xyz.com) was permanently moved to a different email server. Users from xyz.com domain is unable to receive emails from the local users (abc.com). Using the message tracking in exchange, i can see that emails sent to xyz.com users still goes to their local mailbox.

The following has been performed.
- removed the domain (xyz.com) from the recipient policies.
- manually removed xyz.com address from the users and set a new primary address.
- ran rebuild Default OAL and downloaded new address book from outlook
- hide from exchange address list

Using OWA from an outside system, it works fine but using outlook inside, it doesnt work. i already deleted auto complete and typed the address manually but for some reason it still resolves it to the local address (abc.com) and all emails to xyz.com goes to abc.com domain.

Note:
I dont see the name/user in GAL from outlook.

Thanks for the help!
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Question by:pords
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LVL 19

Expert Comment

by:Miguel Angel Perez Muñoz
ID: 40382234
Maybe Oultook has cached this contact. To remove: http://www.wikihow.com/Clear-the-Outlook-Autocomplete-Cache
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Author Comment

by:pords
ID: 40382259
Miguel - Thanks for the response. I am hesitant to wipe the auto complete cache completely just for 1 email address. I already deleted the entry in the auto complete list and typed the email address manually but it will only revert to its primary address @abc.com despite type @xyz.com.
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LVL 19

Expert Comment

by:Miguel Angel Perez Muñoz
ID: 40382274
Sorry, I re-read your question (this flu is killing me), did you rebuild RUS when you delete from recipient policy domain xyz?
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Author Comment

by:pords
ID: 40382280
yes. i also ran rebuild RUS. I did Update Now too.
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Author Comment

by:pords
ID: 40382287
Outlook is also in non-cache mode and still inhibits the same behavior as in cached moded.
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LVL 19

Expert Comment

by:Miguel Angel Perez Muñoz
ID: 40382303
This happens only to existing accounts or new created too?
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Author Comment

by:pords
ID: 40382339
Existing accounts. These accounts are no longer with the organization but will still need access to some resources while in transition.
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Accepted Solution

by:
pords earned 0 total points
ID: 40382822
Ok. i had to do what I originally didnt want to do.

To fix the issue:
I removed all exchange features from the accounts and re-run RUS, OAL and removed auto complete entries on local users that will be sending them emails.
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Author Closing Comment

by:pords
ID: 40391556
Only one was responding and i eventually fix the issue myself.
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