While deleting vault select to keep backups stored in the vault.
This article applies to:
You have successfully installed an Acronis Backup Agent, but registration failed and machine does not appear in Backup Management Console.
Or you need to re-register a client machine to another Backup Account.
Use this method to manually register a Backup Agent.
Use quotation marks, if your password contains special characters or spaces.
Acronis Backup Cloud 7.8 or 7.9