ERROR_NOT_CONNECTED - 2250 (0x8CA)
This network connection does not exist.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_NOT_CONNECTED error code indicates that a network connection is not present or has been lost. This can occur in various scenarios where the system expects a network resource to be available but finds none.
Error Details
- Error Name: ERROR_NOT_CONNECTED
- Numeric Code: 2250 (0x8CA)
- Short Description: This network connection does not exist.
Usage Context
This error is typically returned by the Windows API when a function or operation that requires an active network connection fails because no such connection exists. It can be encountered in various network-related operations, including file sharing, remote procedure calls (RPC), and other network-dependent services.
Developer Interpretation
When this error code is returned, it signifies that the application or service attempted to access a resource over a network but found no active connection. Developers should handle this error by ensuring that network connectivity is established before performing operations that depend on it. This can be done through various means such as checking for available network interfaces, attempting reconnection, or providing user feedback about the current state of the network.
Related Errors
- ERROR_NO_SUCH_FILE_OR_DIRECTORY (2): Indicates that a file or directory does not exist in the local filesystem, which is different from this error since it pertains to local storage rather than network connections.
- ERROR_CONNECTION_REFUSED (10061): This error occurs when a connection attempt is refused by the remote host, indicating a problem with the target system rather than the absence of a connection.
FAQ
Q: What does ERROR_NOT_CONNECTED mean?
A: It means that a network connection required for an operation was not found or has been lost. This can happen if no active network interface is present or if the remote resource is unreachable.
Q: How should I handle this error in my application?
A: Ensure that your application checks for and establishes network connectivity before performing operations that depend on it. Provide appropriate user feedback to inform them of the current state of the network.
Summary
The ERROR_NOT_CONNECTED error code is a generic indication that a required network connection does not exist, which can occur in various network-dependent operations within Windows applications. Developers should handle this error by ensuring proper network checks and providing user-friendly feedback.