Hi,

I'm deploying Exchange 2010 SP3 with update rollup 9, and I found that Outlook Anywhere is not able to connect. When I run Microsoft Remote Connectivity Analyzer, there are 2 different RPC_S_SERVER_UNAVAILABLE error when I try to test the remote connectivity.

The Exchange 2010 topology is 2 x CAS/Hub with NLB, 2 x Mailbox in DAG and 2 x IISARR on Windows 2012.

Please kindly suggest.

Regards,

Tonny

Do you have all the Outlook Anywhere and Outlook Provider settings properly configured?

https://technet.microsoft.com/en-us/library/bb123545(v=exchg.141).aspx

https://technet.microsoft.com/en-us/library/bb123683(v=exchg.141).aspx