Event ID - 21117

Event Id21117
SourceMicrosoft-Windows-Hyper-V-High-Availability
Description%1' failed to create the virtual network switch ports for the virtual machine. Check the settings of the virtual machine.
Event InformationAccording to Microsoft :
Cause :
This event is logged when virtual machine failed to create the virtual network switch ports in Hyper-V.
Resolution :
Retry planned failover operation
Ensure that you have the appropriate permissions on the target machine, and check the configuration settings of the virtual machine. Then try planned failover operation again.
Verify :
All the clustered resources are in a healthy state and failover operations are completing successfully.
Reference LinksEvent ID 21117 from Source Microsoft-Windows-Hyper-V-High-Availability

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