YYYY-MM-DDTXX:XX:XX.XXXZ In(05) vmx - [msg.snapshot.quiesce.vmerr] The guest OS has reported an error during quiescing.
YYYY-MM-DDTXX:XX:XX.XXXZ In(05)+ vmx - The error code was: 2
YYYY-MM-DDTXX:XX:XX.XXXZ In(05)+ vmx - The error message was: Custom quiesce script failed.
vCenter Server 7.x
vCenter Server 8.x
The quiesced snapshot fails because taking snapshots of vCHA passive and witness nodes are not supported.
As mentioned in KB 313528, snapshot operations on passive and witness nodes are not supported.