What do you mean with replicated? Is it in the NETLOGON folder?
KiXtart RPC is a SERVICE, you have to run it as a service. Use the files in the XNET subfolder of the KiXtart ZIP package to install the service on all domain controllers and make sure it's running.
And read the FAQ about the KiXtart RPC service.
_________________________
There are two types of vessels, submarines and targets.
