We are getting the following message in every chat lobby:

 

 

This happens every 60 seconds regardless of message activity.

 

I have a Network Timeout in the 'General' section of configuration = 360

I have set the webgarden value in IIS6 to 1

I have ASP.NET session settings of session=INPROC, AutoDetect and a timeout of 20 minutes.

 

Please help.

This is what it looks like: