http://blogs.technet.com/b/roplatforms/archive/2009/01/13/looksalive-isalive-pending-timeout.aspxThe role and behavior of the first two functions (IsAlive & LooksAlive) is related to the type of resource they are serving. A detailed description of these particular roles is here: Behavior of the LooksAlive and IsAlive functions for the resourcesen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)