That has been done.
Internally, I can connect, but when going through externally, through edge server is when I get the error message.
On the Front end server lync log, I get this:
event id: 25015
Source: mediation server
The A/V Authentication service returned invalid response. connections that require firewall traversal will not be successful.
Response code: 504
Response text: server time-out
Cause: Either the A/V Authentication service is not running or unreachable.
Resolution:
Verify that A/V Authentication Service is reachable from the computer running Lync Server. The response text may also indicate a configuration issue.
I have made sure that the service is running.
Co-located mediation role on front end server.
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Marked as answer by
iconoclast88
Friday, March 08, 2013 6:45 PM