WCF permission problem

In windows (likely to be vista) where you do not have acccess to register an http listener with WCF..

"HTTP could not register URL http://+:8080/QuickReturns/. Your process does not have access rights to this namespace (see http://go.microsoft.com/fwlink/?LinkId=70353 for details)."

{"Access is denied"}

as admin run:
netsh http add urlacl url=http://+:8080/ user=dwight