keypath = "HKLM:\SOFTWARE\Policies\Microsoft\Cryptography\Configuration\SSL\00010002"; if (!(Test-Path $keyPath)) { New-Item ...

$keypath = "HKLM:\SOFTWARE\Policies\Microsoft\Cryptography\Configuration\SSL\00010002";          if (!(Test-Path $keyPath)) { New-Item $keyPath -Force }          Set-ItemProperty -path $keyPath -name "Functions" -value "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA_P384,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA_P256,TLS_RSA_WITH_AES_256_CBC_SHA256,TLS_RSA_WITH_AES_128_CBC_SHA256,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_3DES_EDE_CBC_SHA,TLS_RSA_WITH_RC4_128_SHA,TLS_RSA_WITH_RC4_128_MD5" -Force;