$regkey = "HKLM:SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\Triple DES 168"
$name = "Enabled"
$isexist = (Get-ItemProperty $regkey -EA Ignore).PSObject.Properties.Name -contains $name
if (-Not $isexist) {
New-Item -Path "HKLM:SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\Triple DES 168" -Force
New-ItemProperty -Path "HKLM:SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\Triple DES 168" -Name "Enabled" -PropertyType DWORD -Value "0x0" -Force
iisreset /restart
}