| Event Id | 12581 |
| Source | Microsoft-Windows-Hyper-V-VStack-SynthNic |
| Description | Dynamic MAC address %5 for %4 (%3) is invalid. |
| Event Information | According to Microsoft : Cause : This event is logged when dynamic MAC address is invalid. Resolution : 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. |
| Reference Links | Event ID 12581 from Microsoft-Windows-Hyper-V-VStack-SynthNic |
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