Windows Security Log Event ID 4945

Operating Systems Windows 2008 R2 and 7
Windows 2012 R2 and 8.1
Windows 2016 and 10
Windows Server 2019 and 2022
Category
 • Subcategory		Policy Change
 • MPSSVC Rule-Level Policy Change
Type Success
Corresponding events
in Windows 2003
and before		 849 , 850  

4945: A rule was listed when the Windows Firewall started

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This event is logged aproximately 1.7 bazillion times everytime Windows Firewall starts which results in a full record of all rules that were in place at the time Windows Firewall started. 

These rules are defined in Group Policy and in the Windows Firewall with Advanced Services MMC console.

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Examples of 4945

A rule was listed when the Windows Firewall started.

Profile used: Public

Rule:

   Rule ID: DNSSrv-UDP-Out
   Rule Name: All Outgoing (UDP)

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