You can use any of the following conditions. They can be combined to form a more complex condition by using logical operators like "and", "or", "not" and brackets:

• Group membership
    

• User logon name
    

• Domain controller authenticating the user logging on
    

• Name of the computer used to log onto the network
    

• IP-Address
    

• MAC-Address
  

• OU membership including inheritance 
     

• Location of the computer (IP-subnet)
    

• Content of variables
    

• User defined expressions for example:
  - Querying the registry database for a certain value
  - Existance of files