Hi @raja waseem ,
You can achieve high availability for your DFS servers by adding all servers to your DFS Namespace, in other words make your server as DFS Namespace member servers.
If one DFS Namespace server goes down, the other DFS Namespace server will automatically take over.
----------
If the reply was helpful please don't forget to upvote
and/or accept as answer
, thank you!
Best regards,
Leon