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The DRA server is already registered” ERROR of Azure Site Recovery Provider Setup

I have recently been running a POC of Hyper-V 2012 R2 experimenting replicating several VM’s to Windows Azure (Site Replication) in the East Asia region. During the POC I was receiving connection issues from the Hyper-V host so I decided to remove the Azure Site Recovery Provider agent from the Hyper-V host and the configuration settings from within Azure so that I could start again.

Once I configured the Azure settings I then re-installed the agent but on this occasion I received the following error which I’d not seen before


Upon going through various troubleshooting steps I found that the uninstall had not completely removed the previous registry settings for the site replication vault which was causing me the problem.

This is the process I followed:-

1) Uninstall the existing Azure Site Recovery Provider from your system.

1) Open the registry editor tool (regedit)


3) Find a Key named Azure Site Recovery

4) Delete it the entire folder

5) Install the Azure Site Recovery Provider for Hyper-V

This time the registration worked and my Hyper-V host appeared as a registered server within Azure.  At last I can carry on with the setup :-).


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