Thanks. I just ended up buying a used one on ebay for $40 that was already upgraded to 16.12 and i'll just move the current SFP+ network module over to it.Cisco should really warn people to update in order and not jump several versions at a time, als...

We ever get any resolution to this. I'm dead in the water here and I have no idea how to provide proof of purchase for something 11 years old