If the primary endpoint for your geo-redundant storage account becomes unavailable for any reason, you can initiate an account failover (preview). An account failover updates the secondary endpoint to become the primary endpoint for your storage account. Once the failover is complete, clients can begin writing to the new primary region. Forced failover enables you to maintain high availability for your applications.
Before you can perform an account failover on your storage account, make sure that you have performed the following steps:
Register for the account failover preview. For information about how to register,
Make sure that your storage account is configured to use either geo-redundant storage (GRS) or read-access geo-redundant storage (RA-GRS). For more information about geo-redundant storage.
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