How to re-seed backups to a new Vault (not Migrate)
1) Login to appliance and disable vault replication for the protected system requiring re-seed.
2) Login to Vault and delete the Protected system requiring re-seed.
3) In the appliance update the "Vault Settings" to point to appropriate Vault.
4) Enable replication of the protected system with seeding enabled.
5) Follow the normal process of seeding.