Outlook Compatibility with Exchange 20xx

This past weekend I moved all of my personal mailboxes from Exchange 2010 SP3 to Exchange Server 2013 CU2. On my client workstation I use Office 2007, which incidentally will be the next software at home to get . What this upgrade brought to me was the normal pain of a user migration where one critical step is missed. I had all my virtual directories correctly configured. All URLs (OAB, EWS, ECP, OA, AutoDiscover, etc) were configured and authentication settings as well as certificates in place. What I failed to check was the compatibility of Outlook with Exchange 2013. Now, I knew that Outlook 2003 would not work with Exchange 2013, so I figured I would be OK with Outlook 2007 as it is support with Exchange 2013.

Wrong!

If I had checked this link here I would have seen that Office 2007 requires Service Pack 3, which I had not applied to my workstation. Since Outlook was only Service Pack 2 I could not connect to Exchange, received the constant prompts for authentication and the eventual ‘Offline’ showing in the bottom right hand corner. Prior to looking for this fix, I checked Event Logs on the server and Exchange Server 2013’s logging directory for clues. Eventually I decided to run Windows updates as well as Office Updates. That’s when I noticed that I did not have the latest updates on my Office applications – Service Pack 3 was not installed. I then did a quick search and found the article from TechNet that shows the following versions of Outlook are compatible with Exchange Server 2013:

OutlookExchangeCompat01

Although we all joke about making sure you have the latest service pack before calling support, in this case it was the correct fix for the problem.

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