ERROR_IPSEC_IKE_PROCESS_ERR_NOTIFY - 13840 (0x3610)

Error processing Notify payload.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_IPSEC_IKE_PROCESS_ERR_NOTIFY (13840, 0x3610) indicates an issue encountered during the processing of a Notify payload in the Internet Key Exchange (IKE) protocol within the IPsec framework. This error is specific to the IKE phase and pertains to the handling of notifications that are part of the negotiation process.

Error Details

The ERROR_IPSEC_IKE_PROCESS_ERR_NOTIFY error suggests that there was an issue with a Notify message during the IPsec IKE negotiation. Notify messages in IKE are used for exchanging information such as policy updates, authentication requests, or other control messages between peers. The processing of these messages can fail due to various reasons, which may include invalid payload content, protocol violations, or internal errors within the IPsec stack.

Usage Context

This error code is typically encountered in scenarios where an IPsec connection is being established or re-established through IKE negotiations. It could be observed during the initial phase of establishing a secure tunnel or when attempting to update security policies dynamically.

Developer Interpretation

When encountering this error, developers should consider that it indicates a failure in processing a Notify payload within the IKE negotiation process. This can occur due to various factors such as incorrect payload format, protocol violations, or internal errors in the IPsec implementation. Developers are advised to review the specific context of the IKE negotiation and ensure that all involved parties adhere to the correct protocol standards.

Related Errors

  • ERROR_IPSEC_IKE_PROCESS_ERR_AUTH (13824, 0x3600): Error processing authentication data in IKE negotiation.
  • ERROR_IPSEC_IKE_PROCESS_ERR_SA (13832, 0x3608): Error processing Security Association (SA) in IKE negotiation.

FAQ

Q: What does the ERROR_IPSEC_IKE_PROCESS_ERR_NOTIFY error indicate?

A: This error indicates a failure in processing a Notify payload during an IPsec IKE negotiation. It suggests that there was an issue with the content or format of the Notify message being processed.

Q: How can I troubleshoot this error?

A: Review the context of the IKE negotiation, validate the Notify payloads involved, and ensure compliance with the IKE protocol standards. Check for any known issues in the IPsec implementation and consult documentation for further guidance.

Summary

The ERROR_IPSEC_IKE_PROCESS_ERR_NOTIFY error code (13840, 0x3610) is a generic indication of an issue encountered during the processing of Notify payloads within the IKE negotiation process. Developers should focus on validating payload content and ensuring protocol compliance to resolve this error.