ERROR_INCORRECT_ADDRESS - 1241 (0x4D9)
The network address could not be used for the operation requested.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INCORRECT_ADDRESS error code, with the numeric value of 1241 and the hexadecimal representation of 0x4D9, indicates that a network address used for an operation was not valid or could not be utilized as required.
Error Details
This error typically arises when a network-related function is invoked with an invalid or unsupported network address. The exact nature of the address (IP address, hostname, etc.) and the specific operation being performed can vary depending on the context in which this error occurs.
Usage Context
The ERROR_INCORRECT_ADDRESS error can be encountered in various scenarios involving network operations within a Windows environment. Common contexts include:
- Network connection establishment or configuration
- DNS resolution failures
- Invalid IP address usage in socket programming
- Incorrect hostname resolution
Developer Interpretation
When encountering this error, developers should consider the following aspects of their code and application context:
- Ensure that network addresses used are valid and correctly formatted.
- Verify that the operation being performed is supported by the network stack or protocol in use.
- Check for any configuration issues related to DNS settings or network interfaces.
Related Errors
ERROR_ADDRESS_ALREADY_ASSOCIATED(1004, 0x3E8)ERROR_NO_SUCH_ADDRESS(10052, 0x27A4)ERROR_INVALID_NAME(123, 0x7B)
FAQ
Q: What does the ERROR_INCORRECT_ADDRESS error mean?
A: It indicates that a network address used for an operation was not valid or could not be utilized as required.
Q: How can I resolve this issue?
A: Ensure that the network addresses are correctly formatted and supported by the system. Verify DNS settings and network interface configurations.
Summary
The ERROR_INCORRECT_ADDRESS error code is a generic indication of an invalid or unsupported network address in a Windows environment. Developers should focus on validating input parameters, ensuring correct usage context, and verifying network configuration to resolve this issue.