Dashboard Asks Credentials After 1 Minute Idle Time

Hi!

When I have session in Dashboard and I don't do anything during 1 minute (it is idle one minute, it is not session time out, only locked) session is locked and credentials are asked in sign in window:

RemoteApp

Administrator

   locked

     Password

I have tried to found where I can change this setting in WHS2011. But I have not found this setting. It should be easy to change, but my eyes don't catch it.

BR

Laakspen