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Mandatory update for Azure Backup fixes a server authentication error for ongoing backups

You receive the following error message in Microsoft Azure Backup:

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.

Here is a screen shot of the error message:
How to fix this issue
To fix this issue, install the Azure Backup agent that was released on August 19, 2015. This is a mandatory update.

The following file is available for download from the Microsoft Download Center: The version number of this update is 2.0.8719.0.

For more information about how to download Microsoft support files, see how to obtain Microsoft support files from online services.

Virus-scan claim
Microsoft scanned this file for viruses, using the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to it.


If you use System Center 2012 R2 Data Protection Manager (DPM), apply Update Rollup 6 for System Center 2012 R2 Data Protection Manager or a later version after you install this update for the Azure Backup agent.
More information
This updated Azure Backup agent extends the authentication period before the period expires. We strongly recommend that you install this updated Azure Backup agent to avoid the error that is mentioned in the "Symptoms" section.

Update replacement information

This Azure Backup agent update replaces the following updates:


Article ID: 3080243 - Last Review: 08/25/2015 17:30:00 - Revision: 6.0

  • Windows Server 2012 R2 Datacenter
  • Windows Server 2012 R2 Essentials
  • Windows Server 2012 R2 Foundation
  • Windows Server 2012 R2 Standard
  • Windows Server 2012 Standard
  • Windows 8.1
  • Windows 8.1 Enterprise
  • Windows 8.1 Pro
  • Windows Server 2012 Foundation
  • Windows Server 2012 Essentials
  • Windows Server 2012 Datacenter
  • Windows 8
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  • Windows Server 2008 R2 Service Pack 1
  • Windows 7 Service Pack 1
  • Windows Server 2008 Service Pack 2
  • Microsoft System Center 2012 R2 Data Protection Manager
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