You have a host pool in East US and need a disaster recovery solution so users can connect to equivalent resources in West US by selecting a single Remote Desktop client icon. Failover must be initiated manually and failover times minimized. What should you do?
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Correct answer: Enable Azure Site Recovery replication of the virtual machines to the West US region.
Why this is the answer
Enabling Azure Site Recovery (ASR) for the virtual machines (VMs) in the host pool is the most effective solution. ASR replicates the VMs to the West US region, allowing for manual failover with minimal downtime. When a disaster occurs, you can initiate a failover, and users will connect to the replicated VMs in West US using the same Remote Desktop client icon, as the host pool metadata remains consistent. Creating a shared image gallery with replicas is useful for deploying new session hosts but doesn't provide a failover mechanism for existing VMs. Adding new session hosts to an existing host pool in a different region would require manual configuration and wouldn't offer a seamless failover. Creating an additional host pool in West US would require users to connect to a different icon, violating the requirement. Azure Backup is for data recovery, not for replicating live VMs for disaster recovery failover.
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