ERROR_IPSEC_MM_AUTH_NOT_FOUND - 13011 (0x32D3)

The specified main mode authentication list was not found.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_IPSEC_MM_AUTH_NOT_FOUND (13011, 0x32D3) indicates that the specified main mode authentication list could not be located. This typically occurs during the establishment of an IPsec security association where a required authentication method or policy is missing.

Error Details

In the context of IPsec, the main mode phase involves several steps to establish a secure connection between two endpoints. One of these steps includes the exchange of authentication information. If the specified authentication list does not exist, this error is generated.

Usage Context

This error can occur in various scenarios where IPsec policies are being configured or enforced. It may be encountered during network communication setup, policy application, or when troubleshooting security issues related to IPsec connections.

Developer Interpretation

When encountering ERROR_IPSEC_MM_AUTH_NOT_FOUND, developers should interpret it as an indication that a necessary authentication method is missing from the configuration. This could mean that the required authentication algorithm or keying material has not been properly defined in the policy settings.

Common Causes

  • Invalid Parameter Values: The specified authentication list may be incorrectly configured or non-existent.
  • Incorrect Object Type: The object type being referenced might not align with the expected IPsec configuration requirements.
  • Exceeding Limits: There could be a limit on the number of authentication lists that can be defined, and this error indicates an attempt to exceed that limit.

Related Errors

  • ERROR_IPSEC_AUTH_METHOD_NOT_FOUND (13029): Indicates that the specified authentication method was not found.
  • ERROR_IPSEC_MM_KEYING_MODULE_NOT_FOUND (13045): Suggests that a keying module required for main mode is missing.

FAQ

Q: What does ERROR_IPSEC_MM_AUTH_NOT_FOUND mean?

A: It indicates that the specified main mode authentication list could not be located during IPsec policy enforcement.

Q: How can I resolve this error?

A: Ensure that all required authentication methods and keying material are correctly configured in your IPsec policies.

Summary

ERROR_IPSEC_MM_AUTH_NOT_FOUND (13011) is a specific error code indicating the absence of a necessary main mode authentication list during IPsec policy enforcement. Developers should focus on validating configuration parameters and ensuring that all required components are properly defined to resolve this issue.