Event ID 12581 — 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: | 12581 |
| Source: | Microsoft-Windows-Hyper-V-SynthNic |
| Version: | 6.0 |
| Symbolic Name: | VM_NIC_INVALID_DYNAMIC_MAC_SUMMARY |
| Message: | Dynamic MAC address %5 for %4 (%3) is invalid. |
Resolve
Reconfigure dynamic MAC address
Turn Off the virtual machine.
Note: Turning off a virtual machine is equivalent to powering off a computer, so data loss is possible.
Set the Static MAC Address property to all zeroes, enable Dynamic MAC Address, and then restart the virtual machine.
Verify
The virtual machine starts and runs network operations without any problems.