Reimage FMC, need to configure FTD?

[raymondluis13]

Hi, so Im planning to reimage my FMC, but before doing that i need to know what gonna happen if i do that.

I want to know if i reimage the FMC, do the FTDs will forget about the FMC and i have to config them manually on site or there other way to config it remotely. Also i want to  know what i the preocedure to reimage FMC that in HA mode?

Thank you

[betliu · Accepted solution]

Please prepare a backup of both FMC/ FTDs before FMC reimage,

Re-register the FTD in FMC after it's reimaged.

Please refer to https://www.cisco.com/c/en/us/support/docs/security/firepower-management-center/213853-reimage-a-cisco-firesight-management-cen.html?dtid=osscdc000283

Hope it is helpful for you.