Field Notice: FN – 72439 – ASA and FTD Software: Network Address Translation Might Become Disabled – Software Upgrade Recommended
For some versions of Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) software, Network Address Translation (NAT) might become disabled after the object-groups in the NAT rule settings are changed.
This advisory is available at the following link:
https://www.cisco.com/c/en/us/support/docs/field-notices/724/fn72439.html