Identities → Login Information(section) → Failover Identity
<user_failover_identity idx="INDEX" perm="PERMISSIONFLAG">VALIDVALUE</user_failover_identity>
This identity will be used as a backup for failover i.e. if the current identity is not registered, this identity is used instead.
1,2,3....x (Max. No. of lines i.e. 4 or 12)