A general system error occurred: Timed waiting for vpxa to start
VMware vSphere ESXi 5.0
VMware vSphere ESXi 5.1
To resolve this issue:
To find out how many snapshots exist for a virtual machine(s):
Restarting the Management agents in ESXi
Best practices for using snapshots in the vSphere environment
Adding an ESXi 5.0 host to vCenter Server 5.0 fails with the error: A general system error occurred