Use this option to specify the size limit of the file in which Windows Firewall will write its log information. Use this option to specify the size limit of the file in which Windows Firewall will write its log information. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Windows Firewall with Advanced Security\Windows Firewall with Advanced Security\Windows Firewall Properties\Public Profile\Logging!Windows Firewall: Public: Logging: Size limit (KB) (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsFirewall\PublicProfile\Logging!LogFileSize