| Message Code | ASA-4-720044 |
| Severity | Warning |
| Description | (VPN-unit) Failed to receive message from active unit |
| Explanation | An error is encountered when VPN failover subsystem attempts to receive a message on the standby unit. This may be caused by a corrupted message, no enough memory to be allocated for storing the incoming message. unit—Either “Primary” or “Secondary” |
| User Action | Use the show failover command and look for receive errors to determine if this is VPN failover specific problems or a general failover issue. Corrupted messages may be caused by incompatible firmware versions running on active and standby unit. Use the show memory command to determine if there is a low memory condition. |
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