Many security events have been identified by the proxy stack. In the past %1 seconds, %2 security events have been identified ...

Many security events have been identified by the proxy stack.

In the past %1 seconds, %2 security events have been identified by the proxy stack. A large number of security events could indicate that the server is under attack. The last event was:

%3
Cause: The server may be under attack, or there might be a configuration problem that is causing errors.
Resolution:
Launch the Lync Server 2010 Logging Tool. Select the "SIPStack" component, the "Errors" level and the TF_SECURITY flag. Review the events reported to the trace log using the "Analyze Log Files" feature of the logging tool.