ERROR_NETLOGON_NOT_STARTED - 1792 (0x700)

Technical Background

The ERROR_NETLOGON_NOT_STARTED error code, with the numeric value of 1792 and hexadecimal representation of 0x700, indicates that a network logon attempt was made when the Netlogon service was not operational. This error is specific to Windows systems and pertains to authentication and authorization mechanisms.

Error Details

The ERROR_NETLOGON_NOT_STARTED error code is returned by the Windows API when an application or system component attempts to perform a network logon operation, but the Netlogon service has not been started. This can occur in various scenarios where network authentication is required, such as domain join operations, user logon processes, or Kerberos ticket acquisition.

Common Causes

• Service Not Running: The Netlogon service may be disabled or stopped due to a configuration issue, system maintenance, or an administrative action.
• Incorrect Usage Context: Attempting to perform network authentication-related tasks in contexts where the Netlogon service is not expected to be running, such as during certain system initialization phases or when specific services are not active.

Real-World Context

In a typical Windows domain environment, the Netlogon service plays a crucial role in facilitating secure and authenticated communication between clients and domain controllers. When this service is not operational, network logon attempts will fail with the ERROR_NETLOGON_NOT_STARTED error code.

Is This Error Critical?

The criticality of this error depends on the context in which it occurs. In scenarios where network authentication is essential for system operation or user access, such as during initial domain join operations or user logon processes, this error can be highly disruptive and require immediate attention to ensure proper service availability.

How to Diagnose

To diagnose the ERROR_NETLOGON_NOT_STARTED issue, follow these steps:

1. Review Service Status: Verify that the Netlogon service is running by checking its status through the Services Management Console or using command-line tools like sc query netlogon.
2. Check Configuration: Ensure that the Netlogon service is enabled and configured correctly in the Windows Services management interface.
3. System Logs: Review system event logs for any related events, such as service start failures or configuration changes that might have affected the Netlogon service.
4. Service Dependencies: Confirm that all dependencies required by the Netlogon service are also running and operational.

How to Resolve

To resolve the ERROR_NETLOGON_NOT_STARTED issue, consider these practical steps:

1. Start the Service: If the Netlogon service is not running, start it using the Services Management Console or via command-line tools like net start netlogon.
2. Enable the Service: Ensure that the Netlogon service is enabled and set to automatically start with the system by configuring its properties in the Services management interface.
3. Check Dependencies: Verify that all dependencies required for the Netlogon service are running and properly configured.
4. Restart System: In some cases, a full system restart may be necessary to ensure all services, including the Netlogon service, are properly initialized and operational.

Developer Notes

When developing applications or scripts that rely on network authentication mechanisms, it is important to handle this error gracefully. Developers should implement appropriate error handling logic to manage scenarios where the Netlogon service is not available, ensuring that user experience remains smooth and system operations continue as expected.

Related Errors

• ERROR_NETLOGON_SECURITY_CHANNEL_ERROR: Indicates a security channel issue with the Netlogon service.
• ERROR_NETLOGON_NOT_AVAILABLE: Suggests that the Netlogon service is temporarily unavailable or experiencing issues.
• ERROR_NETLOGON_NO_TRUST_RELATIONSHIP: Implies that there is no trust relationship between the client and domain controller, which can affect network logon operations.

FAQ

Q: What does ERROR_NETLOGON_NOT_STARTED mean?

A: This error indicates that a network logon attempt was made when the Netlogon service was not started. It typically occurs during authentication processes where the Netlogon service is expected to be running.

Q: How can I prevent this error from occurring?

A: Ensure that the Netlogon service is enabled and configured correctly, and that all dependencies are properly set up. Regularly monitor system logs for any issues related to the Netlogon service.

Q: Can this error be resolved by restarting the system?

A: In some cases, a full system restart may resolve the issue by ensuring that all services, including the Netlogon service, are properly initialized and operational. However, it is recommended to first check the status of the Netlogon service and its dependencies.

Summary

The ERROR_NETLOGON_NOT_STARTED error code indicates that a network logon attempt was made when the Netlogon service was not started. This can occur in various scenarios where network authentication is required, such as during domain join operations or user logon processes. Diagnosing and resolving this issue involves verifying the status of the Netlogon service, ensuring its proper configuration, and addressing any dependencies that may be affected.