Sophos UTM 9.4 WAF and Exchange 2016 (without RPCoverHTTP)

At the end of last year, I had already written an article on the topic of RPCoverHTTP, better known as Outlook Anywhere: Exchange 2016: Is RPCoverHTTP still needed? I therefore switched off Outlook Anywhere in my environment in December 2016. I have not encountered any problems so far. Outlook 2016 works perfectly with MAPIoverHTTP. So now that over two ... Read more

Exchange 2016: Is RPCoverHTTP still needed?

RPCoverHTTP, better known as Outlook Anywhere, was introduced with Exchange Server 2003. RPCoverHTTP is used to connect Outlook to Exchange Server without a VPN, but it was not always easy to realize or implement. Essentially, RPCoverHTTP tunnels the remote procedure calls via the http protocol to transport RPC over the Internet. The ... Read more

New Exchange 2016 Server - Outlook asks for login information

I have just installed a new Exchange 2016 CU3 in my Exchange organization. However, after the configuration, Outlook 2016 could not establish a connection, but asked for login information: The first assumption was that something was wrong with Autodiscover and I might have forgotten to configure a URL correctly. However, a quick test of the autodiscover configuration was ... Read more

Warning: Trend Micro Worry Free 9 and Exchange 2016

A kind reader asked me if I knew of a way to reset or reinstall the MAPIoverHTTP protocol for Exchange 2016. Although there are ways to reset MAIPoverHTTP, it is questionable whether this would have helped in this case. So here is a little story about the compatibility of Trend Micro Worry Free(!?) 9 and Exchange 2016. ... Read more

Exchange 2013: MAPIoverHTTP

Service Pack 1 for Exchange 2013 includes a new protocol for communication between Outlook and Exchange: MAPIoverHTTP. So far, MAPIoverHTTP is only supported by Outlook 2013 with SP1 and Exchange 2013 SP1. Therefore How does MAPIoverHTTP work? With Service Pack 1 for Office 2013 and MAPIoverHTTP enabled, Exchange now recognizes 2 protocols to ... Read more