troubleshooting Question

Exchange 2007 to 2013 Co-Existence Issues

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BSModlinFlag for United States of America asked on
ExchangeOutlookEmail Servers
15 Comments2 Solutions197 ViewsLast Modified:
I am in the middle of migrating from 2007 to 2013.  Both servers are up and running.  I have mail flowing between them successfully, as well as out to the internet.  I have moved a few users from 2007 to 2013.  My question is once I moved the user mailbox the server name in Outlook changes to a weird name (not the new server name as I would expect).  It prompts for Outlook to close and then re-open.... and then asks for credentials..... and then connects.  When I go to the server settings I see the server name changed, but it looks like a crazy Hex thing....

What is that?  and will it change again once I remove the old exchange server from the Org?  Why prompting for credentials?
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