Windows Security Log Event ID 4976

Operating Systems Windows 2008 R2 and 7
Windows 2012 R2 and 8.1
Windows 2016 and 10
Windows Server 2019
Category
 • Subcategory
Logon/Logoff
 • IPsec Main Mode
Type Success
Corresponding events
in Windows 2003
and before
 
Discussions on Event ID 4976
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4976: During Main Mode negotiation, IPsec received an invalid negotiation packet.

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Examples of 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.

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

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