https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028488#M1017094 <P>Thanks for the pointers, especially the HA replacement section!</P> <P>I looked in the backup/restore section.</P> <P>What would you do for a single FTD?</P> <P>Breaking the failover pair didn't work because of an error in FMC.</P> <P>I re-imaged both units with 6.2, reconfiguring all interfaces, routes, applying policies took a while but it works again.</P> Mon, 06 Feb 2017 15:53:35 GMT Alexander Hartmaier 2017-02-06T15:53:35Z https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028486#M1017070 <P>Hi,</P> <P>I didn't find any documentation how to restore a failed FTD, for example after a hardware RMA or a failed upgrade, as in my case.</P> <P>I've already reimaged the FTD and want to re-register it with the FMC. It's part of a failover pair too in our case.</P> Fri, 21 Feb 2020 14:00:06 GMT https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028486#M1017070 Alexander Hartmaier 2020-02-21T14:00:06Z https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028487#M1017085 <P>Please see the below urls for reference which might be helpful.<BR /><BR /><A href="http://www.cisco.com/c/en/us/td/docs/security/firepower/601/configuration/guide/fpmc-config-guide-v601/fpmc-config-guide-v601_chapter_01100110.pdf" target="_blank">http://www.cisco.com/c/en/us/td/docs/security/firepower/601/configuration/guide/fpmc-config-guide-v601/fpmc-config-guide-v601_chapter_01100110.pdf</A><BR /><BR /><A href="http://www.cisco.com/c/en/us/support/docs/security/firepower-ngfw/200868-Configuring-Firepower-Threat-Defense-FT.html" target="_blank">http://www.cisco.com/c/en/us/support/docs/security/firepower-ngfw/200868-Configuring-Firepower-Threat-Defense-FT.html</A><BR /><BR />Similar thread<BR /><BR /><A href="https://supportforums.cisco.com/discussion/13127371/ftd-registering-fmc-scenario" target="_blank">https://supportforums.cisco.com/discussion/13127371/ftd-registering-fmc-scenario</A><BR /><BR />Hope to help.</P> Mon, 06 Feb 2017 15:08:25 GMT https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028487#M1017085 syeda3 2017-02-06T15:08:25Z https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028488#M1017094 <P>Thanks for the pointers, especially the HA replacement section!</P> <P>I looked in the backup/restore section.</P> <P>What would you do for a single FTD?</P> <P>Breaking the failover pair didn't work because of an error in FMC.</P> <P>I re-imaged both units with 6.2, reconfiguring all interfaces, routes, applying policies took a while but it works again.</P> Mon, 06 Feb 2017 15:53:35 GMT https://community.cisco.com/t5/network-security/restore-ftd/m-p/3028488#M1017094 Alexander Hartmaier 2017-02-06T15:53:35Z