ERROR_IPSEC_IKE_AUTHORIZATION_FAILURE - 13905 (0x3651)
SA establishment is not authorized.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_IPSEC_IKE_AUTHORIZATION_FAILURE with the numeric value 13905 and hexadecimal representation 0x3651 signifies that an attempt to establish a security association (SA) in the Internet Key Exchange (IKE) protocol has failed due to unauthorized access.
Error Details
This error typically occurs during the negotiation of IPsec Security Associations, where one or more parties involved do not have the necessary authorization to complete the SA establishment. The failure can be attributed to issues such as incorrect security policies, misconfigured security contexts, or mismatches in authentication credentials.
Usage Context
The ERROR_IPSEC_IKE_AUTHORIZATION_FAILURE is relevant in scenarios where IPsec is being used for secure communication over a network. It indicates that the system has attempted to establish an IKE SA but encountered authorization issues, preventing the successful creation of the required security association.
Developer Interpretation
Developers should interpret this error as indicating a failure in the authentication and authorization process during the establishment of an IPsec Security Association. This could be due to incorrect configuration settings, mismatched security policies, or insufficient permissions for the entities involved in the negotiation.
Related Errors
ERROR_IPSEC_IKE_PROCESSING_FAILURE(13904): Indicates a failure in processing IKE messages during SA establishment.ERROR_IPSEC_SA_RENEGOTIATION_FAILED(13906): Occurs when an attempt to renegotiate an existing IPsec Security Association fails.
FAQ
Q: What does the ERROR_IPSEC_IKE_AUTHORIZATION_FAILURE error mean?
A: It indicates that the security association establishment is not authorized due to unauthorized access or misconfiguration issues.
Q: How can I troubleshoot this error?
A: Review the configuration of your IPsec policies and ensure that all entities involved in the negotiation have the necessary permissions and credentials. Verify that the security contexts match and that there are no mismatches in authentication methods.
Summary
The ERROR_IPSEC_IKE_AUTHORIZATION_FAILURE is a specific error code indicating an issue with authorization during the establishment of an IPsec Security Association. Developers should focus on ensuring proper configuration and permissions for all parties involved to resolve this error.