Following error occurred during Microsoft Azure Backup SnapIn Operation.
Error Details: A server registration certificate was not available to authenticate this server with the backup service. Ensure that you signed in with an administrator account and try again. If the issue persists, register the server again.
The reason for this issue is Microsoft have recently released a new Azure Backup agent which is a mandatory update.
The version number of this update is 2.0.8719.0
If you are using System Center 2012 R2 Data Protection Manager (DPM) you must apply the Update Rollup 6 for System Center R2 Data Protection Manager or a later version after you install this update for the Azure Backup agent.