Simple and usefull https://uclobby.wordpress.com/2013/09/16/renewing-lync-server-20102013-certificates/ Pantelis ApostolidisPantelis Apostolidis is a Cloud Solutions Architect at Microsoft and an ex Microsoft Azure MVP.
Tag: lync
External DNS records for Lync Online (Office 365)
Lync desktop client autodiscover Type Host name Destination TTL CNAME sip.yourDomainName.com sipdir.online.lync.com 1 hour Lync mobile client autodiscover Type Host