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trying to upgrade a firepower (formerly sourcefire) DC750 to 6.0.0.0..
upgraded ram
currently running 5.4.1.6
Get the following error shortly after starting the upgrade.
Update installation failed : [0%] Fatal Error running script 000_start 001_chec...
Perfect answer, checked the file and yes we had one old device, took them all out since I am also building replacements for all the sensors and worked first time.
Thank You!!