Event ID 12321 — Serial Device Startup
Applies To: Windows Server 2008
This is preliminary documentation and subject to change.
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This Aspect refers to events pertaining to the serial port of the virtual machine.
Event Details
| Product: | Windows Operating System |
| ID: | 12321 |
| Source: | Microsoft-Windows-Hyper-V-Worker |
| Version: | 6.0 |
| Symbolic Name: | MSSERIAL_PORT_OPEN_ERROR_SUMMARY |
| Message: | Error '%4' (%5) while opening file '%3' during serial device startup. |
Resolve
Restart virtual machine
Try restarting the virtual machine.
Verify
The virtual machine is able to start successfully.