When installing the Azure Backup Agent you need to supply your vault credentials.
If doing so incorrectly you will get the following error…

My customer has bought a Hewlett-Packard server with a Windows Server 2012 ROK (Reseller Option Kit) license.
However this customer had some issues with the installation of the license on the Hyper-V guest server. Since the Windows server does not recognize the ‘hardware’ as a Proliant server, licensing will not succeed.

However there is a simple solution…

I have been struggling a bit with adding .NET Framework 3.5 on a few systems (and reference image for MDT). The posts on MSDN and TechNet are good, but not always crystal clear.

Here is how I solved the issues we were experiencing…

Lately we’ve been getting a lot of inquiries regarding Azure Backup. One customer tried to set up the Microsoft Azure Recovery Services (MARS) agent, they experienced a problem where the backup job fails immediately…