Due to Advisory ID: cisco-sa-20090408-asa, I have tried to update a new ASA 5510 from asa708-k8.bin to asa812-19-smp-k8.bin, asa804-28-k8.bin, and asa804-k8.bin
Each time I tftp the new image across, and modify the system boot entry to boot the new image first.
boot system disk0:/asa804-k8.bin
boot system disk0:/asa708-k8.bin
However when the ASA boots it starts to load the new image, but it just sits there. No messages from the console. it just sits there. Is this a licensing activation issue, are are the images being corrupted somehow?