Event ID 12801 — 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.
|Product:||Windows Operating System|
|Message:||Cannot modify the Ethernet address.|
Change property after taking turning off virtual machine
You cannot change some NIC properties while the virtual machine is on. Turn Off the virtual machine and then change the property.
Note: Turning off a virtual machine is equivalent to powering off a computer, so data loss is possible.
The virtual machine starts and runs network operations without any problems.