Contact Us

Category: DNS

  • Lync DNS Records overview

    DNS Records in a Lync world (and their usage) Automatic Sign-in Records (used by the Lync or Communicator client to locate a Lync or OCS server to sign-in)  _sipinternaltls._tcp.  _sipinternal._tcp.  _sip._tls.  _sip._tcp. sipinternal. sip. sipexternal. Office 365 Sign-In Records (used by the Lync or Communicator client to locate the Lync…

  • Lync Mobility – lyncdiscoverinternal vs lyncdiscover

    Lync Server 2010 Mobility supports an internal and an external automatic discovery record. The mobile client signs-in as follows:- DNS query for lyncdiscoverinternal. DNS query for lyncdiscover. Got this great flow diagram from Brendan Carius…cheers 😉 Usually the Lync Web Services certificate assigned to the Front-end Pool is issued by an…

  • Lync SRV Records

    I was configuring a new Edge environment today and thought I’d done it enough times not to have to refer to my notes. It was at this time that I realized that I hadn’t clearly documented the different SRV record options…only noticed as I had to take a peek 🙂…