ERROR_FUNCTION_FAILED - 1627 (0x65B)

Function failed during execution.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_FUNCTION_FAILED error code indicates that a function or operation did not complete successfully. This is a generic error message that does not specify the exact cause of failure, making it context-dependent.

Error Details

  • Error Name: ERROR_FUNCTION_FAILED
  • Numeric Code: 1627
  • Hex Code: 0x65B
  • Short Description: Function failed during execution.

This error is often returned when a function call or operation encounters an unspecified failure, meaning the exact reason for the failure cannot be determined from this error code alone. It could be due to various issues such as invalid parameters, resource limitations, data corruption, or unsupported operations.

Usage Context

The ERROR_FUNCTION_FAILED can appear in different parts of the Windows operating system and its applications. Developers should consult specific documentation for the function or API that returned this error to understand the context in which it is used.

Developer Interpretation

When encountering an ERROR_FUNCTION_FAILED, developers should consider the following:

  • Review Operation Context: Ensure that all necessary conditions are met before calling the function, such as proper initialization and correct parameters.
  • Validate Parameters: Check if any input parameters provided to the function are valid and within acceptable ranges.
  • Confirm Object Types: Verify that the objects or data types being used with the function match what is expected by the API.

Related Errors

FAQ

Q: What does ERROR_FUNCTION_FAILED mean?

A: It indicates a function failed during execution. The exact cause cannot be determined from this error code alone and requires additional context or investigation.

Q: How can I troubleshoot an ERROR_FUNCTION_FAILED?

A: Review the operation context, validate parameters, confirm object types, and check for any resource limitations that might have caused the failure.

Summary

The ERROR_FUNCTION_FAILED is a generic error code indicating that a function failed during execution. It does not provide specific details about the cause of the failure and requires additional context or investigation to determine the exact reason. Developers should consult specific documentation for the API or function in question to understand its usage and potential causes of this error.