After replacing the SFTP server where the backups were stored, backups failed with an authentication error.
When using the same IP address for the server, the keys were stored in known_hosts and spanVA is not able to connect and throwing know_hosts error when you using sshpass -p command on spanVA.
Release : 1.0
Component :
The keys need to be removed. Open a ticket with Technical Support and reference this KB article