Question
What does MoRef mean?
Answer
It is a portmanteau of "Managed Object Reference." It is a data type that comes up in the context of alerts/alarms in vSphere.
(The answer was adapted from page 152 of PowerCLI Cookbook by Sellers.)
"MoRefs are unique identifiers assigned to objects at the time of their creation." (Taken from page 202 of PowerCLI Cookbook by Sellers.)