You have a 4-node Hyper-V cluster; one node goes down. VMs don’t fail over automatically. How do you troubleshoot?
During cluster creation, you receive error 25303 (logon failure) — what permissions and accounts would you verify?
Cluster validation passes but enabling S2D fails with an “unsupported configuration” warning — what might be wrong?
One node reports “paused – clustered” after a reboot. What could cause that?
How do you drain roles safely before applying Windows updates to a cluster node?
You need to perform rolling upgrades from 2019 to 2022 Hyper-V. What are the required steps and caveats?
Explain how to restore quorum when CSV volumes go offline.
What’s the impact of setting VM priority on a failover cluster?
How would you configure cluster-aware updating in a secure environment?
A new node can’t join the existing cluster due to firewall issues — what ports or rules must be checked?