Just came across a VMware virtual machine issue which jogged my memory from a few months back.
Basically, when a user was trying to RDP to a new VM, built from a syspreped template, they were unable to logon and received a strange error message about an "Endpoint format" being invalid. I thought I'd seen this before and remembered that the problem was to do with VMware tools. The problem does not seem to be very well documented but can be found if you Google for problems joining the domain, another manifestation of the problem:
http://david.hochstaetter.net/2007/09/vmware-endpoint-format-is-invalid-join.html
Basically the way we fixed the problem, with minimal reboots, was:- Disjoin the VM from the domain and uninstall VMware tools, then reboot.
- Then rejoin to the domain, install the VMware tools and reboot again.
