DNS SRVLYNCDISCOVER Multiple SRV Records Possible – varying costs One A Record for inside and outside Results return a Pool Name & PortResults return Home Server, Edge Pool, Service Names, etc. Supported on all Legacy Clients and Lync ‘Fat’ clients Required for Mobility and Modern App No query securityCertificate Trust required & Autodiscover requires Auth
SIP traffic never reaches Lync Server – will not see any attempts in the SIP Logs
External DNS Entry Missing Network Access Failure