Event ID 4977

During quick mode negotiation, IPsec received an invalid negotiation packet

During quick 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.

Local Network Address:  %1
Remote Network Address: %2
Keying Module Name: %3

Lookup Audit Policy Configuration Settings


  C:\> AuditPol.exe /get  /subcategory:"IPsec Quick Mode"

How to enable Windows Auditing

Recommended Audit Policy

Operating Systems:

Windows Vista Windows 2008 Windows 2008 R2 Windows 7 Windows 2012 Windows 2012 R2 Windows 8 Windows 8.1 Windows 10 Windows 2016 Windows 2019 Windows 11 Windows 2022

Audit Category:

Logon/Logoff

Audit Subcategory:

IPsec Quick Mode

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