GPO of Windows firewall allow Remote Administration exception

Allow Remote Administration exception policy on the target machine. This might be needed for some commands to function properly.
Start "gpedit.msc" snap-in. Navigate to Computer Configuration | Administrative Templates | Network | Network Connections | Windows Firewall
Choose Domain or Standard as needed, and enable the following: Allow Remote Administration Exception

For more information:

http://technet.microsoft.com/en-us/library/cc738900%28WS.10%29.aspx

GPO of Windows firewall allow Remote Administration exception