Cisco ASA 5505 Configuration Manual page 1231

Chapter 59 Configuring Active/Standby Failover
Open Configuration > Device Management > High Availability > Failover.
Step 1
Uncheck the Enable Failover checkbox.
Step 2
Restoring a Failed Unit
To restore a failed unit to an unfailed state, follow these steps:
Step 1 Open Monitoring > Properties > Failover > Status.
Step 2 Click Reset Failover.
OL-20339-01
Cisco ASA 5500 Series Configuration Guide using ASDM
Controlling Failover
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