You have a server named Server1.
A Microsoft Azure Backup of Server1 is created automatically every day.
You rename Server1 to Server2.
You discover that backups are no longer created in Azure.
You need to back up the server to Azure.
What should you do?

A.
From the Azure Management Portal, modify the configuration of backup vault.

B.
On Server2, run the Add-WBBackupTargetcmdlet.

C.
On Server2, run the Start-OBRegistration cmdlet.

D.
From the Azure Management Portal, upload the Server2 certificate as a management certificate.

Explanation:
The Start-OBRegistration cmdlet registers the server with using the vault credentials downloaded
during enrollment. Azure Backup – FAQ
https://azure.microsoft.com/sv-se/documentation/articles/backup-azure-backup-faq/ Start-OBRegistration
https://technet.microsoft.com/en-us/library/hh770398(v=wps.630).aspx