Exchange 2013 SP1 MAPI/HTTP not working

This post is also available in: Polish

Installation of SP1 for Microsoft Exchange 2013 introduces new protocol for Outlook to Exchange connections.
You can use MAPI/HTTP instead of RPC/HTTP.

First, you need to meet some requirements:

 

But sometimes when you do all of those requirements, you can’t still connect to Exchange 2013 SP1 using MAPI/HTTP.

To check protocol used by Outlook to connect to Exchange Server just hold Ctrl key and clik right on Outlook icon in System Tray and select Connection Status:

RPCHttp

Sometimes you need to do some changes in registry in workstation with Outlook 2013 SP1.

Run regedit.exe

Go to:
HKEY_CURRENT_USER\Software\Microsoft\Exchange

Right-click MapiHttpDisabled and then click Modify, and vhange the Value data to 0 (zero) and then click OK.

Now close regedit and restart Outlook.

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