Azure Site Recovery: The registration key has expired. Download a new registration key from Azure Site Recovery and select it. The downloaded file shouldn't be more than 5 days old.

When you are registering Microsoft Azure Site Recovery server you might get this message:-

The registration key has expired. Download a new registration key from Azure Site Recovery and select it. The downloaded file shouldn't be more than 5 days old.


It's really difficult to find this key, it took me more than an hour to find. Here is the location:-

    1. Log on to the Azure portal and browse to your Recovery Services Vault.

    2. Browse to Manage/Site Recovery Infrastructure > Hyper-V Hosts 

    3. Click the +Server button at the top.

    4. Click the "Download the vault registration key to register the host" button.

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