Lync – Unable to sign in via Edge (Checkpoint Firewalls)
Mar24

Lync – Unable to sign in via Edge (Checkpoint Firewalls)

I recently ran into a problem with Checkpoint Firewalls on a Lync 2010 deployment.  The customer already had a single 2010 Front End and wished to enable external sign in over the internet as it did not work over their VPN solution (Direct Access).  I installed the Edge server and Reverse Proxy but then encountered a strange issue where I was unable to sign in over the Edge server.  Some of the troubleshooting steps I took (Thinking...

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