Event ID 12570 — NIC Configuration

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This Aspect refers to network switchport, static and dynamic MAC address issues.

Event Details

Product: Windows Operating System
ID: 12570
Source: Microsoft-Windows-Hyper-V-Worker
Version: 6.0
Message: The virtual machine cannot be started because the virtual network adapter is configured to use a network that is unavailable. To fix this problem, modify the virtual machine settings to reconfigure the network adapter and then try to start the virtual machine again.


Change the switch port of the NIC

Turn Off the virtual machine. 

Note: Turning off a virtual machine is equivalent to powering off a computer, so data loss is possible.

Change the virtual machine NIC settings to point to a different/valid switch port, and then restart the virtual machine.


The virtual machine starts and runs network operations without any problems.

NIC Configuration