When Lync connects to the server, it supports various authentication mechanisms. This policy allows the user to specify whether ...

When Lync connects to the server, it supports various authentication mechanisms.  This policy allows the user to specify whether Digest and Basic authentication are supported.Disabled (default):  NTLM/Kerberos/TLS-DSK/Digest/BasicEnabled:  Authentication mechanisms:  NTLM/Kerberos/TLS-DSK  Gal Download: Requires HTTPS if user is not logged in as an internal user.