esx.problem.net.portset.port.full
Summary
Maximum number of ports has been reached. Cannot apply for any more free ports.
Causes
The portset has reached the maximum number of ports.
Resolutions
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.