Remove-WebConfigurationProperty -pspath 'MACHINE/WEBROOT/APPHOST' -Location "wl-info-be" -filter "system.webServer/security/authentication/iisClientCertificateMappingAuthentication/oneToOneMappings" -name "." Remove-WebConfigurationProperty -pspath 'MACHINE/WEBROOT/APPHOST' -Location "wl-info-be" -filter "system.webServer/security/authentication/iisClientCertificateMappingAuthentication/manyToOneMappings" -name "." Add-WebConfigurationProperty -pspath 'MACHINE/WEBROOT/APPHOST' -location 'wl-info-be' -filter "system.webServer/security/authentication/iisClientCertificateMappingAuthentication/oneToOneMappings" -name "." -value @{userName='';password='';certificate=''} Add-WebConfigurationProperty -pspath 'MACHINE/WEBROOT/APPHOST' -location 'wl-info-be' -filter "system.webServer/security/authentication/iisClientCertificateMappingAuthentication/oneToOneMappings" -name "." -value @{userName='';password='';certificate=''} Add-WebConfigurationProperty -pspath 'MACHINE/WEBROOT/APPHOST' -location 'wl-info-be' -filter "system.webServer/security/authentication/iisClientCertificateMappingAuthentication/oneToOneMappings" -name "." -value @{userName='';password='';certificate=''}