ERROR_SERIAL_NO_DEVICE - 1118 (0x45E)
No serial device was successfully initialized. The serial driver will unload.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_SERIAL_NO_DEVICE error indicates that a serial device driver failed to initialize the specified serial port. This typically results in the driver being unloaded from the system.
Error Details
- Error Name: ERROR_SERIAL_NO_DEVICE
- Numeric Code: 1118 (0x45E)
- Short Description: No serial device was successfully initialized. The serial driver will unload.
Usage Context
This error is commonly encountered when attempting to access or configure a serial port on the system, and it suggests that no valid serial device could be found at the specified location.
Developer Interpretation
Developers should interpret this error as an indication that the requested serial device initialization failed. This can occur for various reasons, such as incorrect device specification, hardware issues, or driver incompatibilities. The system will attempt to unload the serial driver associated with the operation.
Related Errors
- ERROR_NO_SUCH_DEVICE: Indicates a non-existent device was specified.
- ERROR_INVALID_PARAMETER: Suggests an invalid parameter was provided during initialization.
- ERROR_SERIAL_TIMEOUT: Implies a timeout occurred while waiting for the device to respond.
FAQ
Q: What does ERROR_SERIAL_NO_DEVICE mean?
A: It indicates that no serial device could be initialized at the specified location, leading to driver unload.
Q: How can I resolve this error?
A: Ensure that the correct serial port is specified and that it exists. Check for hardware issues or driver conflicts.
Summary
The ERROR_SERIAL_NO_DEVICE error signifies a failure in initializing a serial device driver. Developers should focus on verifying the correctness of the device specification and ensuring compatibility with system resources.