ERROR_DEV_NOT_EXIST - 55 (0x37)
The specified network resource or device is no longer available.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_DEV_NOT_EXIST error code indicates that a specified network resource or device is no longer available. This can occur in various contexts, such as when attempting to access a network share, device driver, or hardware component.
Error Details
- Error Name: ERROR_DEV_NOT_EXIST
- Numeric Code: 55 (0x37)
- Short Description: The specified network resource or device is no longer available.
This error typically arises when the system attempts to access a device that has been removed, disconnected, or otherwise made unavailable. It can also occur if there are issues with the network configuration or if the device driver is not properly installed or loaded.
Usage Context
The ERROR_DEV_NOT_EXIST error code is commonly encountered in scenarios involving network operations and device management. Developers should be aware of this error when working with APIs that interact with network resources, such as file systems, printers, or other hardware components.
Developer Interpretation
When encountering the ERROR_DEV_NOT_EXIST error, developers should consider several factors to understand its context and implications:
- Network Connectivity: Ensure that the network connection is stable and that the device is still connected to the network.
- Device Availability: Verify that the device or resource is available and not being used by another process.
- Driver Issues: Check if the appropriate drivers are installed and up-to-date. Incorrect or outdated drivers can lead to this error.
- Configuration Settings: Review any relevant configuration settings, such as network paths or device mappings, to ensure they are correct.
Related Errors
ERROR_FILE_NOT_FOUND(2)ERROR_PATH_NOT_FOUND(3)ERROR_NO_SUCH_DEVICE_OR_ADDRESS(61)
These errors can provide additional context when troubleshooting issues related to resource availability and network connectivity.
FAQ
Q: What does the ERROR_DEV_NOT_EXIST error mean?
A: The specified network resource or device is no longer available. This typically indicates that a device has been removed, disconnected, or otherwise made unavailable.
Q: How can I resolve this issue?
A: Ensure that the device is connected and properly configured. Check for any driver issues and verify network connectivity.
Summary
The ERROR_DEV_NOT_EXIST error code (55, 0x37) signifies that a specified network resource or device is no longer available. Developers should consider factors such as network connectivity, device availability, and driver issues when interpreting this error. Proper handling of this error can help in maintaining the stability and reliability of applications interacting with network resources.