No error - just incorrect status as servers should have reported as "Healthy"
Recent upgrade to VIOM 7.4.2.500 missed out step to upgrade Control Host add-on
If using the Control Host add-on, this also requires an upgrade for correct statuses of ESX servers to be displayed.
The 7.4.2.300 Control Host add-on update is below:
https://sort.veritas.com/vom/addondetail/c0e94572-7197-4f4c-b192-5e6ba9ab41a7
To upgrade the add-on, upload the update using the VIOM GUI's "Upload Solutions" link and use the GUI to deploy the update to the Control Host.