Among the many new features delivered in Exchange 2013 SP1 is a new method of connectivity to Outlook we refer to as MAPI over HTTP (or MAPI/HTTP for short). We’ve seen a lot of interest about this...
Updated Jul 01, 2019
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Experiencing same issues as Grega-slo - frequent "network" issues and hangs using MAPI over http on win 8.1 (64-bit) with Outlook 2013 SP1 (64-bit). Both server side and client side are patched up to date (June 30) with all known public patches including
CU5, no firewalls, no anti-virus. Something is seriously wrong with MAPI over http.