ERROR_IPSEC_DEFAULT_MM_POLICY_NOT_FOUND - 13013 (0x32D5)
The specified default main mode policy was not found.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_IPSEC_DEFAULT_MM_POLICY_NOT_FOUND indicates that the system attempted to use a default main mode policy for Internet Protocol Security (IPsec) but could not locate it. This typically occurs during the establishment of an IPsec connection where a specific policy is required.
Error Details
This error suggests that either the default policy does not exist, or there was an issue in retrieving it from the system's configuration. The main mode policy is crucial for defining security parameters and rules for establishing secure connections over IP networks.
Usage Context
This error can occur in various scenarios where IPsec is being configured or used, such as during network setup, connection establishment, or when applying security policies to network traffic.
Developer Interpretation
When encountering this error, developers should ensure that the required default main mode policy exists and is correctly configured. The absence of a policy can lead to failed connections or security breaches in IPsec-secured communications.
Related Errors
ERROR_IPSEC_MM_POLICY_NOT_FOUND(13012): Indicates that a specific main mode policy was not found, which might be related but does not specify the default nature.ERROR_IPSEC_SA_RENDEZVOUS_FAILED(13045): May occur if there is an issue with establishing a security association, possibly due to missing policies.
FAQ
Q: What causes this error?
A: This error typically occurs when the system cannot find the default main mode policy required for IPsec operations. It could be due to misconfiguration or the absence of the policy in the system's configuration.
Q: How can I resolve it?
A: Ensure that the default main mode policy is correctly configured and exists within the system's settings. Review the IPsec policies and configurations to confirm their existence and correctness.
Summary
The ERROR_IPSEC_DEFAULT_MM_POLICY_NOT_FOUND error indicates a failure in locating the necessary default main mode policy for establishing secure IPsec connections. Developers should ensure that all required policies are correctly configured to avoid this issue.