A VDS (Virtual Disk Service) error occurred while performing the requested operation. The connection to the server might ...

A VDS (Virtual Disk Service) error occurred while performing the requested operation.
The connection to the server might be blocked by Windows Firewall. Make sure that the firewall on the server (or on all nodes in a failover cluster) is configured correctly. See the Managing Disks Remotely topic in Disk Management Help for the correct firewall settings.