105509: Error sending message to peer unit
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-3-105509: (Primary|Secondary) Error sending message_name message to peer unit peer-ip, error: error_string
Event 105509 is generated when an error occurs while attempting to send a failover control message to the peer unit. The message name and IP address of the peer unit are specified in the message.
How could you resolve this situation?
If the error was not caused by the failure of the peer unit, collect details about the events leading up to the error and contact Cisco TAC.