Windows error 13852 (ERROR_IPSEC_IKE

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: IKE failed to load a required Windows security component.

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ERROR_IPSEC_IKE_NOTCBPRIV	ERROR_IPSEC_IKE_FAILSSPINIT

ERROR_IPSEC_IKE_SECLOADFAIL

ERROR_IPSEC_IKE_SECLOADFAIL (0x0000361C) The IKE service could not load a required security component. This points to a local Windows servicing, dependency, or service-startup problem rather than an IPsec proposal mismatch with the peer.

Verify local component health before comparing peer proposals. If IKEEXT cannot load its security dependency consistently, remote negotiation settings cannot compensate for the missing or damaged local execution path.

What to check

Inspect System and IKEEXT-related event logs for the earlier DLL, dependency, or service-start failure.
Verify that IKEEXT and IPsec Policy Agent are present and can start normally.
Do not copy or replace system DLLs manually. Use supported Windows servicing and repair methods if component corruption is indicated.

Get-Service IKEEXT, PolicyAgent

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