hello James May Thanks Alot for your nice and positive responce, yes thats starts work. now tell me if only ISA Firewall client is needed then all protocole Defination and ip packet filter related to pcanywhere which created for pcanywhere should delete them all. here is detail for protocole Defination and ip packet filter: protocole Defination pcanywhere 5631 udp receive pcanywhere 5631 udp send pcanywhere 5632 udp receive pcanywhere 5632 udp send pcanywhere 5631 tcp in pcanywhere 5632 tcp out pcanywhere 5631 tcp in pcanywhere 5632 tcp out Ip aket filter pcanywhere Allow,Custimefilter, Default EXt IP, any, tcp, both, allports pcanywhere Allow,Custimefilter, Default EXt IP, any, udp, both, allports regards thanks