[in] CLSID of an IFWXFilter object. Each
registered protocol is associated with an IFWXFilter object
and is valid only when that filter is installed.
[in] GUID of the protocol to be removed.
[in] The scope of the filter object, either array or
enterprise, as a value from the FwxScope enumerated type. This
parameter cannot be set to fwx_EnterpriseScope for a
stand-alone server or for ISA Server Standard Edition.