Wednesday, May 30, 2012
In most cases, the certificates for internal Lync servers are issued by an internal Certification Authority (CA). In some scenarios, it may be required to use certificates from a third party (public) CA. When issuing a public certificate to an internal server, keep in mind that Certificate Revocation List (CRL) must be reachable. If the CRL cannot be contacted, it may prevent the internal Lync servers from communicating with each other in a timely fashion.
Thursday, May 17, 2012
I've run into a situation a few times where there are problems with joining Lync Meetings both internally and externally when a forward or web proxy is in play. Since the web proxy is typically put in place to control access to external resources, there are a few things to consider when making exceptions.