Event ID 12800 — NIC Configuration
Applies To: Windows Server 2008
This is preliminary documentation and subject to change.
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This Aspect refers to network switchport, static and dynamic MAC address issues.
Event Details
| Product: | Windows Operating System |
| ID: | 12800 |
| Source: | Microsoft-Windows-Hyper-V-Worker |
| Version: | 6.0 |
| Symbolic Name: | MSVM_VDEV_ENET_CHANGE_ADDRESS_ONLINE |
| Message: | Cannot modify the Ethernet address when the virtual machine is online. |
Resolve
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.
Verify
The virtual machine starts and runs network operations without any problems.