103006: Mate version is not compatible with ours
Cisco ASA is a security device that provides the combined capabilities of a firewall, an antivirus, and an intrusion prevention system. It also facilitates virtual private network (VPN) connections. It helps to detect threats and stop attacks before they spread through the network.
Message: %ASA-1-103006: (Primary|Secondary) Mate version ver_num is not compatible with ours ver_num.
Event 103006 is generated when the ASA detects a peer unit running a version that is different from the local unit and is not compatible with the HA hitless upgrade feature. The version numbers are specified in the message.
How could you resolve this situation?
Install the same or a compatible version of the image on both the units.