how to fix this error : Method invocation failed because | [Deserialized.Microsoft.IIs.PowerShell.Framework.ConfigurationElement#bindings#binding] does not contain a | method named 'AddSslCertificate'.

EL MEDIOUNI Sohaib 0 Reputation points
2024-04-17T15:12:53.5433333+00:00

Hello, I'm trying to automate the creation of the SSL certificate in the iis server i wrote a powershell that do this but i m getting this error :
Line |

1 | Import-Module -Name WebAdministration -Force -SkipEditionCheck

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

| Could not load type 'System.Management.Automation.PSSnapIn' from assembly 'System.Management.Automation,

| Version=7.4.0.500, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.

InvalidOperation: D:\Venafi\installpfx.ps1:21

Line |

21 | $binding.AddSslCertificate($thumbprint, "My")

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

| Method invocation failed because

| [Deserialized.Microsoft.IIs.PowerShell.Framework.ConfigurationElement#bindings#binding] does not contain a

| method named 'AddSslCertificate'.

Restart-WebItem: A parameter cannot be found that matches parameter name 'Name'.

this is my powershell script :

Import-Module -Name WebAdministration -Force -SkipEditionCheck
$CertificatePassword = mymdp
$CertificateName = mycertname
$ServerName = myservername
$SiteName = mysitename
# Import PFX certificate
$certPassword = ConvertTo-SecureString -String $CertificatePassword -Force -AsPlainText
$cert = Import-PfxCertificate -FilePath "C:\$CertificateName.pfx" -CertStoreLocation Cert:\LocalMachine\My -Password $certPassword
# Get the Thumbprint of the imported certificate
$thumbprint = $cert.Thumbprint
# Create a new HTTPS binding for the website
New-WebBinding -Name $SiteName -IP "*" -Port 443 -Protocol https
# Set the certificate for use in the HTTPS binding
$binding = Get-WebBinding -Name $SiteName -Protocol https
if ($binding) {
    $binding.AddSslCertificate($thumbprint, "My")
  
    # Restart the website to apply the changes
    Restart-WebItem -Name $SiteName
} else {
    Write-Host "The website '$SiteName' does not exist in IIS or there was an issue with creating the HTTPS binding."
}
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  1. Ian Xue (Shanghai Wicresoft Co., Ltd.) 29,811 Reputation points Microsoft Vendor
    2024-04-18T02:51:34.81+00:00

    Hi EL MEDIOUNI Sohaib,

    It seems the module WebAdministration cannot be imported normally in PowerShell 7. Try import it using the Windows PowerShell Compatibility feature.

    Import-Module -Name WebAdministration -UseWindowsPowerShell

    If it still doesn't work then you'll have to run the script in Windows PowerShell 5.

    Best Regards,

    Ian Xue

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