Category Archives: Lync Server 2010

How a little space can cause so many issues.

When a user attempts to login to they use DNS and SRV records to lookup their home server.  They start by making three parallel requests for: _sipinternaltls._tcp.domain.com _sipinternal._tcp.domain.com _sip._tls.domain.com The first two are defined in your internal DNS with the last one being published externally.  The clients use these SRV records to lookup the service (published via

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