| Message Code | ASA-4-720043 |
| Severity | Warning |
| Description | (VPN-unit) Failed to send type message id to standby unit |
| Explanation | An error was encountered when VPN failover subsystem attempts to send a message
from the active unit to the standby unit. This may be caused by 720018 where the core failover
subsystem runs out of failover buffer or the failover lan link is down. unit—Either “Primary” or “Secondary.” type—Message type. id—Identifier for the message. |
| User Action | Use the show failover command to see if the failover pair is running in good condition and the failover lan link is “up.” |
| Reference Links |
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