ERROR_IPSEC_IKE_NEG_STATUS_END - 13897 (0x3649)
Updated: Feb 21, 2026
Technical Meaning
This error code, ERROR_IPSEC_IKE_NEG_STATUS_END (0x3649), is returned by the Windows IP Security (IPsec) stack when an IKE (Internet Key Exchange) negotiation process ends. The end of a negotiation can be due to various reasons such as successful completion or failure.
Error Details
The ERROR_IPSEC_IKE_NEG_STATUS_END error code signifies that the IKE negotiation has reached its conclusion, which could be either positive or negative depending on the context. This status is typically used in scenarios where an attempt to establish a security association (SA) through IKE fails for reasons other than explicit failure codes.
Usage Context
This error can occur during the establishment of IPsec SAs using the IKE protocol. It is important to note that this code does not indicate a specific failure but rather the end of the negotiation process, which could be due to various outcomes such as successful completion or an unspecified reason for termination.
Developer Interpretation
Developers should interpret this error code in the context of the overall negotiation flow. If the negotiation was expected to complete successfully and did not, further investigation may be required to determine the cause. The ERROR_IPSEC_IKE_NEG_STATUS_END is often used as a generic indicator that the IKE negotiation has concluded.
Related Errors
ERROR_IPSEC_IKE_NEG_STATUS_AUTH_FAILED: Authentication failure during IKE negotiation.ERROR_IPSEC_IKE_NEG_STATUS_CERT: Certificate-related issues during negotiation.ERROR_IPSEC_IKE_NEG_STATUS_CONNECT_FAILED: Connection failure during IKE negotiation.
FAQ
What does the ERROR_IPSEC_IKE_NEG_STATUS_END error code indicate?
This error code indicates that an IKE negotiation has ended, which could be due to successful completion or an unspecified reason for termination.
How should developers handle this error?
Developers should review the overall context of the negotiation and determine if further action is required based on whether the expected outcome was achieved.
Summary
The ERROR_IPSEC_IKE_NEG_STATUS_END error code (0x3649) is a generic indicator that an IKE negotiation has concluded. It does not specify the reason for termination but can be used to indicate both successful and unsuccessful outcomes of the negotiation process.