Root Cause

Since the host has a failure, the installed VRA VM is either is a power-off state or not inaccessible

Symptoms

There is an ESXi host that has failed or not functional and now the vpgs are now failing

Solution

1 - Export the VPG settings

2 - From vCenter, remove the host from inventory

3 - Edit the exported setting, change the moref ID for the old host to a known working one

4 - Import the VPG setting

5 - If any, review the error message by highlighting the VPG and pressing F1

6 - If the VPG that is being imported not in an error state, select it and allow the VPG to syncing