How to verify host in the distributed testing

Hi All,



I am trying to connect host with my local network using distributed testing but some how its giving me error for "Invalid Address".



Name     Address             Bast Path     Automatic Logon     Domain           User Name                               Password

Host1     TOLL-NP-D7                                 Yes                  TOLL.local     TOLL-NP-D7.TOLL.Local     ********



Any suggestion are appreciated.