Good Morning,
Brief summary:
We have an MS Exchange 2003. I recently "coexist" and installed MS Exchange 2010 with CAS and Hub Transport Role, but Outlook 2013 still cannot connect. What am I missing? Launching Outlook 2013 I get this error:
"The resource that you are trying to use is located on unsupported version of Microsoft Exchange. Contact your e-mail administrator for assistance."
On the second dialog box I get: " Cannot start Microsoft Outlook. Cannot open the Outlook window."
Outlook 2003, 2007, and 2010 can connect to the server and mails are flowing fine. Please advise.