Event Details
Operating System->Microsoft Windows->Built-in logs->Windows 2008 or higher->Security Log->Logon/Logoff->IPsec Extended Mode->EventID 4984 - An IPsec Extended Mode negotiation failed.
EventID 4984 - An IPsec Extended Mode negotiation failed.
An IPsec Extended Mode negotiation failed. The corresponding Main Mode security association has been deleted.

Note:
This event provides event audit data in the following categories: Local Endpoint, Remote Endpoint, Additional Information, and Failure Information.

Find more information about this event on ultimatewindowssecurity.com.
 Sample: 
        An IPsec Extended Mode negotiation failed. The corresponding Main Mode security association has been deleted.

        Local Endpoint:
        Principal Name:		%1
        Network Address:	%3
        Keying Module Port:	%4

        Remote Endpoint:
        Principal Name:		%2
        Network Address:	%5
        Keying Module Port:	%6

        Additional Information:
        Keying Module Name:	AuthIP
        Authentication Method:	%9
        Role:			%11
        Impersonation State:	%12
        Quick Mode Filter ID:	%13

        Failure Information:
        Failure Point:		%7
        Failure Reason:		%8
        State:			%10
Log Type: Windows Event Log
 Uniquely Identified By:
Log Name: Security
Filtering Field Equals to Value
OSVersion Windows Vista (2008)
Windows 7 (2008 R2)
Windows 8 (2012)
Windows 8.1 (2012 R2)
Windows 10 (2016)
Category Logon/Logoff
Source Microsoft-Windows-Security-Auditing
TaskCategory IPsec Extended Mode
EventId 4984
Field Matching
FieldDescriptionStored inSample Value
DateTime Date/Time of event origination in GMT format. DateTime 10.10.2000 19:00:00
Source Name of an Application or System Service originating the event. Source Security
Type Warning, Information, Error, Success, Failure, etc. Type Success
User Domain\Account name of user/service/computer initiating event. User RESEARCH\Alebovsky
Computer Name of server workstation where event was logged. Computer DC1
EventID Numerical ID of event. Unique within one Event Source. EventId 576
Description The entire unparsed event message. Description Special privileges assigned to new logon.
Log Name The name of the event log (e.g. Application, Security, System, etc.) LogName Security
Task Category A name for a subclass of events within the same Event Source. TaskCategory
Level Warning, Information, Error, etc. Level
Keywords Audit Success, Audit Failure, Classic, Connection etc. Keywords
Category A name for an aggergative event class, corresponding to the similar ones present in Windows 2003 version. Category Account Logon
Object Name -
Whom -
Object Type -
Class Name -
Security ID -
Account Name -
Account Domain -
Local Endpoint: Principal Name InsertionString1
Local Endpoint: Network Address InsertionString3
Local Endpoint: Keying Module Port InsertionString4
Remote Endpoint: Principal Name InsertionString2
Remote Endpoint: Network Address InsertionString5
Remote Endpoint: Keying Module Port InsertionString6
Additional Information: Keying Module Name "AuthIP" AuthIP
Additional Information: Authentication Method InsertionString9
Additional Information: Role InsertionString11
Additional Information: Impersonation State InsertionString12
Additional Information: Quick Mode Filter ID InsertionString13
Failure Information: Failure Point InsertionString7
Failure Information: Failure Reason InsertionString8
Failure Information: State InsertionString10
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