We have our Azure key vault provisioned in East US and our hot-stand by region is West US.
Does it support Geo-Replication?
How do I configure the Azure Key vault to support the disaster recovery with automatic failover? Would it impact the connection string?
As per the documentation, its provided by default
"If individual components within the key vault service fail, alternate components within the region step in to serve your request to make sure that there is no degradation of functionality. You don't need to take any action to start this process, it happens automatically and will be transparent to you.
In the rare event that an entire Azure region is unavailable, the requests that you make of Azure Key Vault in that region are automatically routed (failed over) to a secondary region except in the case of the Brazil South region. When the primary region is available again, requests are routed back (failed back) to the primary region. Again, you don't need to take any action because this happens automatically."
You can read the whole documentation here. https://docs.microsoft.com/en-us/azure/key-vault/general/disaster-recovery-guidance
