Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh nap client delete trustedservergroup ?
delete trustedservergroup
[ name = ] name
Deletes a trusted server group.
name - Specifies the name of the trusted server group. (Required)
Example:
delete trustedservergroup name = "group1"
NETSH / NAP / CLIENT / DELETE / TRUSTEDSERVERGROUP