Exchange Database Move - Outlook Cache

Hi Experts,

We created a new database store in exchange and had to re-create a users exchange mailbox to the new store due to corruption.

The issue we're experiencing, when someone tries to send her mail internally they get a bounce back or the send goes through without the user receiving the email. If we delete the name from the outlook cache then resend the email the email goes through and works going forward. Externally all is good.

The question is how do we do that for 150 users, being the cache is local to each user,  is there a method to delete just her name from everyone's cache or another method server side that will resolve the issue?
jaya31Asked:
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Scott CSenior EngineerCommented:
The problem is as you said, the name is stored locally in the .NK2 file (nickname).  There isn't any way to remove specific names from them on a global basis.  

You can create a GP to get rid of the .NK2 file for everybody (which would make a lot of people angry).

You could also send out a global email with instructions for removing the person.  Not ideal, but that is about the only way you are going to get rid of one user from that file.
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Simon Butler (Sembee)ConsultantCommented:
As you recreated the mailbox, you have effectively created a new user. The fact that they have the same name doesn't matter to Exchange.

The easiest solution here is to add an X.500 address to the user account that has the details of the old alias on it. That will allow the old name to continue to work correctly without having to touch all of the clients.
http://msexchangeguru.com/2012/03/15/x500/

Simon.
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