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Event ID 2021 — Connection Security Rule Processing

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Applies To: Windows Server 2008 R2

Windows Firewall with Advanced Security receives connection security rules from local security policy stored in the system registry, and from Group Policy delivered by Active Directory. After receiving a new or modified policy, Windows Firewall must process each rule in the applied policies to interpret what network traffic is to be protected by using Internet Protocol security (IPsec).

Event Details

Product: Windows Operating System
ID: 2021
Source: Microsoft-Windows-Windows Firewall with Advanced Security
Version: 6.1
Symbolic Name: WFPhase1CryptoSetChangeEvent
Message: A phase 1 crypto set was modified in IPsec settings.

%tSet ID:%t%1
%tSetName:%t%2
%tOrigin:%t%4
%tFlags:%t%6
%tNumSuites:%t%7
%tTimeOutMinutes:%t%10
%tTimeOutSessions:%t%11
%tModifyingUser:%t%12
%tModifyingApplication:%t%13

Resolve

This is a normal condition. No further action is required.

Connection Security Rule Processing

Windows Firewall with Advanced Security