Been running 9.10 on 2 Dell R610's and on a hand built Xeon/mini ITX board units with no issues until now.
Updated all of them to FreeNAS-9.10.2-U2 (e1497f2) and one of the Dells comes up with Welcome to Grub! Incompatible License. Press any key... No OS found....
The system in question already...