The vgp_sudoext extension was no longer registered. This was seen by running /opt/quest/bin/vgptool register which lists the extensions. Also ls -l /var/opt/quest/vgp/ and looking at the extensions file showed date it was last changed and 0 bytes file:
-rw-r--r-- 1 root root 0 Jun 4 11:01 extensions
The file should not be 0 bytes.
1 - /opt/quest/bin/vgptool register vgp_sudoext
2 - /opt/quest/bin/vgptool apply
3 - /opt/quest/bin/vgptool rsop | grep sudo
4 - Test that sudo is working