esx.problem.net.fence.switch.unavailable
Summary
VMkernel failed to set fenceId on distributed virtual port on the switch.
Causes
The dvSwitch fence property is not set.
Resolutions
No solution is currently available. Refer to this VMware KB article for more information.
Review VMware online documents such as vSphere Networking Guide and vSphere Troubleshooting Guide to resolve host network issues.
External
Refer to the VMware Online Documentation for more information on vCenter event messages and possible solutions.