6 August 2013

MCX Forbidden

Problem
Can't connect to Lync MCX service. Http Error 403 Forbidden, Lyncdiscover Http Authentication Test failed when testing https://<LyncWebService FQDN>/Mcx/McxService.svc

Also get Authentication Test failed from http://www.testocsconnectivity.com/

Solution
Error was the TMG rule


The error here says that the Credentials for the request to the site were deleted. It also explains how no delegation is set and user authentication isn't enabled. Of course this needs to be enabled!!!

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