Update SSL certificate for IIS Website binding

list_certs.ps1

dir cert:\localmachine\my
''
'Get the certificate''s Thumbprint'
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update_cert.ps1

function UpdateWebsiteBindingCertificate {

	Param(
        [string] $sitename,
        [string] $sslThumbprint
    );

	import-module webadministration;
    $wsbindings = (Get-ItemProperty -Path "IIS:\Sites\$sitename" -Name Bindings)
    for($i=0;$i -lt ($wsbindings.Collection).length;$i++){
        if((($wsbindings.Collection[$i]).bindingInformation).Contains("*:443")){
			$item = $($wsbindings.Collection[$i].bindingInformation.replace(':', '!'))
			Write-Output "Deleting old binding: $($item)"
			Get-Item "IIS:\SslBindings\$($wsbindings.Collection[$i].bindingInformation.replace(':', '!'))" | remove-item
			Write-Output "Setting SSL certificate for new binding: $($item)"
			New-Item -Path "IIS:\SslBindings\$($item)" -Thumbprint $sslThumbprint -SSLFlags 1
			Write-Output ""
        }
    }
}

UpdateWebsiteBindingCertificate  "RewardsPortal" "01B7202156ABECB2A1F7C3590AB52FCDCFB53F1"

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