I do this via Refamo - a paid utility which I use to run batchfiles locally on slaves. http://refamo.com/ - don’t use latest 4.0.17 SP1 - buggy as hell - use previous 4.0.17.
The batchfile I use to kill and restart DR on slaves is this:
Morne: I’ve got the same autologin for each server but it kind of seems overkill to have to restart the entire pc just because the vray spawner needs restarting.
I did find this info though which may be a solution (: