Audit IPsec Main Mode

Applies To: Windows 7, Windows Server 2008 R2

This security policy setting determines whether the operating system generates events for the results of the Internet Key Exchange (IKE) protocol and Authenticated Internet Protocol (AuthIP) during Main Mode negotiations.

Event volume: High

Default: Not configured

If this policy setting is configured, the following events are generated. The events appear on computers running Windows Server 2008 R2, Windows Server 2008, Windows 7, or Windows Vista.

Event ID	Event message
4646	Security ID: %1
4650	An IPsec Main Mode security association was established. Extended Mode was not enabled. Certificate authentication was not used.
4651	An IPsec Main Mode security association was established. Extended Mode was not enabled. A certificate was used for authentication.
4652	An IPsec Main Mode negotiation failed. Note This audit event returns detailed audit data in the following categories: Local Endpoint, Local Certificate, Remote Endpoint, Remote Certificate, Additional Information, and Failure Information.
4653	An IPsec Main Mode negotiation failed. Note This audit event returns detailed audit data in the following categories: Local Endpoint, Remote Endpoint, Additional Information, and Failure Information.
4655	An IPsec Main Mode security association ended.
4976	During Main Mode negotiation, IPsec received an invalid negotiation packet. If this problem persists, it could indicate a network issue or an attempt to modify or replay this negotiation.
5049	An IPsec Security Association was deleted.
5453	An IPsec negotiation with a remote computer failed because the IKE and AuthIP IPsec Keying Modules (IKEEXT) service is not started.