ERROR_IPSEC_IKE_INVALID_MM_FOR_QM - 13894 (0x3646)
Parameters of the main mode are invalid for this quick mode.
Updated: Feb 21, 2026
Technical Meaning
This error code is returned by the Windows IPsec/IKE subsystem when it encounters an issue with the parameters specified for a main mode during the negotiation of a quick mode. The main mode in IPsec/IKE defines the initial phase of establishing a security association, while the quick mode handles subsequent data encryption and decryption.
Error Details
The error ERROR_IPSEC_IKE_INVALID_MM_FOR_QM indicates that the parameters configured for the main mode are not compatible or valid for the current quick mode. This can occur due to various reasons such as mismatched security policies, incorrect parameter values, or unsupported operations.
Usage Context
This error is typically encountered during the IPsec/IKE negotiation process when a security association is being established between two endpoints. The error suggests that there is an inconsistency in the parameters specified for the main mode, which cannot be used to successfully negotiate the quick mode.
Developer Interpretation
When this error code is returned, developers should review the configuration settings and ensure that the parameters specified for the main mode are compatible with the requirements of the quick mode. This includes verifying security policies, ensuring correct parameter values, and confirming that all operations are supported by both endpoints.
Related Errors
ERROR_IPSEC_IKE_NO_MM_RESPONSE(13890, 0x3642): No response received from the peer during main mode negotiation.ERROR_IPSEC_IKE_MM_PROCESS_ERR(13895, 0x3647): An error occurred while processing the main mode.
FAQ
Q: What does the ERROR_IPSEC_IKE_INVALID_MM_FOR_QM error mean?
A: This error indicates that the parameters specified for the main mode are not valid for the current quick mode in IPsec/IKE negotiations.
Q: How can I resolve this issue?
A: Review and correct the configuration settings to ensure compatibility between the main mode and quick mode parameters. Verify security policies, parameter values, and supported operations.
Summary
The ERROR_IPSEC_IKE_INVALID_MM_FOR_QM error code is a specific technical indicator used by the Windows IPsec/IKE subsystem when there is an inconsistency in the main mode parameters for a quick mode negotiation. Developers should focus on ensuring that all configuration settings are correct and compatible to resolve this issue.