rackspace/openstack-guest-agents-windows-xenserver — pull request #6 by kashivreddy (2013-01-07 11:32:24+00:00)
Title: checking if XenServerVssProvider service exists before restart

During XenTools update we restart XenServerVssProvider, not all servers have XenServerVssProvider service installed. So added a check and restart only if the service is installed.