Hi All,
we are using windows server 2008r2 for DPM 2010 role. suddenly we are getting this error "Insufficient system resources exist to complete requested service" after this error we unable to perform any task its simple hungs up event its not allow us to restart or shutdown. i tried many things as described below. nothing helped.
This is only happening after 5 mins.
https://support.microsoft.com/en-us/kb/312362
http://www.symantec.com/connect/forums/insufficient-system-resources-exist-complete-requested-service#comment-3516221