Any news on that?
I am experiencing this as well...
2016-06-01T23:43:26.183-07:00 ERROR (0B24-1B08) <ThreadedActionBase-0> [VmInformation] (b9716c4f-56d6-4e77-8176-5e98da186b17) The VM: /DC/vm/Win7-InstantClone/Win7-IC-02 - encountered an error: Instant Clone agent initialization state error (24): Failed to update the machine group policy (waited 15 seconds)
2016-06-01T23:43:26.184-07:00 DEBUG (0B24-1B08) <ThreadedActionBase-0> [EventLogger] (b9716c4f-56d6-4e77-8176-5e98da186b17) Error_Event:[BROKER_PROVISIONING_NGVC_ERROR_COMPOSER_AGENT_INIT_FAILED] "Provisioning error occurred for Machine Win7-IC-02: Instant Clone agent initialization failed": MachineId=9fbeafaa-5a95-485f-a023-b1185daf9aad, MachineName=Win7-IC-02, Node=cs01.lab.local, Severity=ERROR, Time=Wed Jun 01 23:43:26 PDT 2016, Module=Broker, Source=com.vmware.vdi.desktoptracker.VmInformation, Acknowledged=true