Try RDP access, if no luck, PING to device check if device is pingable. If this is VM server, login through vCenter and reboot the VM Server. If this is Physical device, reachout to DCO team to raise ticket to HOT Reboot the device server.
Try RDP access, if no luck, PING to device check if device is pingable. If this is VM server, login through vCenter and reboot the VM Server. If this is Physical device, reachout to DCO team to raise ticket to HOT Reboot the device server.