ERROR_INSUFFICIENT_LOGON_INFO - 608 (0x260)
There is insufficient account information to log you on.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INSUFFICIENT_LOGON_INFO error code is returned when the system determines that there is insufficient information to authenticate a user. This typically occurs during logon attempts where the provided credentials are inadequate or incomplete.
Error Details
This error indicates that the necessary account information required for successful authentication is missing or insufficient. It can arise in various scenarios, such as incorrect username or password, missing domain information, or other credential-related issues.
Usage Context
The ERROR_INSUFFICIENT_LOGON_INFO error code is commonly encountered during user logon processes, particularly when the system cannot verify the provided credentials against the available account information. This can happen in both local and networked environments where domain controllers are involved.
Developer Interpretation
Developers should interpret this error as an indication that the authentication process has failed due to insufficient or incorrect input parameters. The application or service encountering this error should handle it by prompting the user for additional information, such as a missing domain name or correct credentials.
Related Errors
ERROR_LOGON_FAILURE(1326): Authentication failure due to invalid username or password.ERROR_INVALID_PARAMETER(1400): Invalid parameter passed to a function.ERROR_NO_SUCH_USER(1795): The specified user does not exist in the security database.
FAQ
Q: What causes this error?
A: This error typically occurs when the provided logon information is insufficient or incorrect. Common causes include missing domain information, invalid username or password, or other credential-related issues.
Q: How can I resolve this issue?
A: Ensure that all required account information is correctly provided during the logon attempt. Verify the username and password, and confirm that any necessary domain information is included if applicable.
Summary
The ERROR_INSUFFICIENT_LOGON_INFO error code signifies an authentication failure due to insufficient or incorrect user credentials. Developers should handle this error by prompting users for additional information and ensuring that all required parameters are correctly provided during the logon process.