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