We’re very happy to announce support for Hybrid Modern Authentication (HMA) with the next set of cumulative updates (CU) for Exchange 2013 and Exchange 2016, that’s CU8 for Exchange Server 2016, and ...
Updated Jul 01, 2019
Version 2.0
Blog Post
Hi. We have a serious situation where we're facing the following error : x-ms-diagnostics: 4000000;reason="Flighting is not enabled for domain 'email address removed for privacy reasons'.";error_category="oauth_not_available". Exchange Server is on CU15 February SU/HU. HMA is properly configured and it is working for Outlook, but it does not work for mobile phones. We've done a various tests, checked ActiveSync VDir and nothing. Is someone facing a similar situation ?