Exchange 2007 to 2013 Migration Issue

I am currently in the process of migrating from Exchange 2007 to Exchange 2013 SP1.  I installed Exchange 2013 and got to the point where I added a new user to Active Directory and then gave it a new mailbox on the new server.  I was able to send mail back and forth, as well as send and receive from the outside.  After performing that series of tests, I moved my mailbox from the existing 2007 server to the new 2013 server.

Once I did that my Outlook prompted me with a message stating a change was made by the Exchange Admin. Close Outlook and reopen.  When I did that my Outlook will NOT launch at all.

What am I missing?

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BSModlinAuthor Commented:
I am actually getting this error.... See attached.Outlook
John SalleSenior IT Systems EngineerCommented:
How do you have your certificate set up on the new server? It needs to have it enabled in Outlook and all of the virtual directories assigned to the matching FQDN.

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