Announcing Azure Backup support to move Recovery Services vaults across subscriptions and resource groups

Announcing the GA support for move functionality for recovery services vaults where you can migrate a vault between subscriptions and resource groups with a few steps, in minimal downtime and without any data-loss of old backups. You can move RS vault and retain recovery points of protected VMs to restore to any point in time later.
Source: Azure Roadmap
Source Link: Announcing Azure Backup support to move Recovery Services vaults across subscriptions and resource groups