Windows Security Log Event ID 4984

Operating Systems Windows 2008 R2 and 7
Windows 2012 R2 and 8.1
Windows 2016 and 10
Windows Server 2019
 • Subcategory
 • IPsec Main Mode
Type Success
Corresponding events
in Windows 2003
and before
Discussions on Event ID 4984
IPSec Extended Mode 4984 error with DA/UAG

4984: An IPsec Extended Mode negotiation failed

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I haven't been able to produce this event. Have you? If so, please start a discussion (see above) and post a sample along with any comments you may have! Don't forget to sanitize any private information.

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Examples of 4984

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

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