Dear All,
i have a tmg server 2010 sp2 used to publish our lync server serveries,suddenly it stopped working .
if  run  test rule i received the following errorÂ
Time reported by the Microsoft Forefront TMG Firewall Service: 0.010 seconds
Testing https://lync.xxxxxxxx:4443/
Category: Connectivity error Error details: 64 - The specified network name is no longer available.
Action: Go to http://go.microsoft.com/fwlink/?LinkId=115965
also from loggingÂ
Failed Connection Attempt | |
Log type:Web Proxy (Reverse) | |
Status: 64 The specified network name is no longer available. | |
Source: Local Host (Connectivity Test) (x.x.x.x:10322) | |
Destination:x.x.x.x:4443 | |
Request:GET https://lync.x.x.x.:4443/ | |
Filter information: | |
Protocol:http | |
I tried to install new windows  but same error.
im not sure if this issue from the tmg or the front end server .I checked the event viewer and log  but there are  not errors.