For all those who want to read the long answer of why msn audio and video wont work with isa, except in certain circumstances try here: http://www.microsoft.com/technet/treeview/default.asp?url=/technet/prodt echnol/isa/maintain/isaimsec.asp I found it doing some research, thought I'd post it up Greg Mulholland http://www.isaserver.org http://www.isaserver.mine.nu http://groups.google.com
