Hi,
For information, 15.1 licenses are Ok for at least versions 10.0, 11.0, 11.1, 11.2, 15.0, 15.1, and 15.2 but for 12.0, the 'build' number has to be >= 12.0.14 (if not standard error message: Unable to find a valid protection key)
Regards
Edouard
PS: Ticket 123265


