Icon: 
Function: serverLock
Property window:
Short description:
Prevent the execution of a graph on any random server.
Long Description:
The parameter P1 contains the list (comma-separated) of all the HardwareID where this graph is allowed to run. To get the HardwareID from the current machine, run the Action with an empty parameter P1 and look in the log window.
To really be useful, this action should be used inside an encrypted graph: See the section 4.6.3. to kown how to encrypt an Anatella graph.