ERROR_NETWORK_ACCESS_DENIED - 65 (0x41)

Network access is denied.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_NETWORK_ACCESS_DENIED error code indicates that a network operation was attempted but access to the resource or service was denied. This typically occurs when the system lacks sufficient permissions to perform the requested action over a network.

Error Details

This error is returned by various Windows API functions and services when they encounter an attempt to access a network resource without proper authorization. The specific context in which this error appears can vary, but it generally relates to security policies or configuration settings that restrict access.

Usage Context

The ERROR_NETWORK_ACCESS_DENIED error can be encountered in several scenarios:

  • Attempting to connect to a remote server or service.
  • Accessing network shares or files on another machine.
  • Performing operations that require elevated privileges, such as administrative actions over the network.

Developer Interpretation

When this error is returned, it signifies that the application or system does not have the necessary permissions to complete the requested network operation. Developers should ensure that their applications are properly configured with appropriate security settings and that users have the required access rights before attempting network operations.

Related Errors

  • ERROR_ACCESS_DENIED (5) - A generic access denial error, which may be a more general form of this specific network-related error.
  • ERROR_LOGON_FAILURE (1326) - Indicates issues with user authentication or credentials.
  • ERROR_INVALID_PARAMETER (87) - May indicate that the parameters passed to a network operation were incorrect.

FAQ

Q: What does ERROR_NETWORK_ACCESS_DENIED mean?

A: It means that the system attempted to access a network resource but was denied due to insufficient permissions or security policies.

Q: How can I resolve this error?

A: Ensure that your application has the necessary permissions and that you are using valid credentials. Check the security settings of the target network resource and ensure that they allow the required operations.

Summary

The ERROR_NETWORK_ACCESS_DENIED error is a specific permission-related issue encountered when attempting to access network resources without proper authorization. Developers should focus on ensuring correct configuration and permissions before performing network operations.