A quick post for a commonly needed reference. Others might find it useful.
Lync 2010 Client logging is turned on/off in the Options | General settings as shown below.
| | | | | | | | The Lync client needs to sign-out and sign-back-in for the settings to take effect.
The log files are stored in:
> %USERPROFILE%\Tracing
On Windows 7 or Vista this will equate to c:\users\<user name>\tracing.
The first option generates a UCC API file (e.g. Communicator-uccapi-0.uccapilog). The second option generates *.etl files.
The UCC API is the API the Lync client uses to talk to the Lync server. The Snooper.exe utility can be used to . . . → Read More: Microsoft Lync 2010 Client Logging