Lync 2013 DNS Settings:


SRV Record:


This record is used for Lync 2013 desktop clients as a method of autodiscover.

  • SRV Record: _sip
  • Protocol: _tls
  • Port: 443
  • Weight: 0
  • Priority: 0
  • Destination: access.na02.msexchangeoutlook.com
  • The complete record looks like this: _sip._tls.Domain.com


CNAME record:


This record is used for autodiscover on Lync 2013 mobile clients as well as the Lync 2013 client distributed in the Windows Store.

  • CNAME record: lyncdiscover
  • Destination: lyncrp.na02.msexchangeoutlook.com
  • The complete record looks like this: lyncdiscover.Domain.com