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Connect-AzureAD: One or more errors occurred. Could not load type 'System.Security.Cryptography.SHA256Cng'

While working on AzureAD (Azure Active Directory) with PowerShell module I was received below errors and my scripts where failing. I updated AzureAD module with Update-Module command to latest one but it was still throwing errors. After few testing I checked PowerShell version, it was latest PowerShell Core version 7.1.3 and found AzureAD module is not compatible with it.

Microsoft azuread import-module system.security.cryptography.sha256Cng connect-Azuread $psversiontable psversion assembly system.core publickeytoken error occurred .png

❯ Import-Module AzureAD

❯ Connect-AzureAD
Connect-AzureAD: One or more errors occurred. (Could not load type 'System.Security.Cryptography.SHA256Cng' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.): Could not load type 'System.Security.Cryptography.SHA256Cng' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
Connect-AzureAD: One or more errors occurred. (Could not load type 'System.Security.Cryptography.SHA256Cng' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.)
Connect-AzureAD: Could not load type 'System.Security.Cryptography.SHA256Cng' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
Connect-AzureAD: One or more errors occurred. (Could not load type 'System.Security.Cryptography.SHA256Cng' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.): Could not load type 'System.Security.Cryptography.SHA256Cng' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

$PSVersionTable

As I found AzureAD is not compatible with PowerShell v7.x.x, Next step In order to use AzureAD module I opened PowerShell Desktop version 5.1 and Installed AzureAD module on it from online PSGallary. Then loaded/Imported module into PowerShell and tested connecting to Azure Active Directory, It succeeded. To check further fetched one user details from AzureAD all was good.

Microsoft AzureAD azure active directory $PSVersionTable Install-Module AzureAD -scope currentuser import-module connect-azuread get-azureaduser filter.png

$PSVersionTable 
     PSVersion: 5.1

❯ Install-Module AzureAD -Scope CurrentUser
     Untrusted Repository
     You are installing the modules from an untrusted repository. If you trust this repository, change its InstallationPolicy value by running the Set-PSRepository cmdlet. Are you sure you want to install the module from 'PSGallary'?
     [Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "N"): Y

❯ Import-Module AzureAD

❯ Connect-AzureAD
     Account   Environment    TenantID                               TenantDomain     AccountType
     -------   -----------    --------                               ------------     -----------
     janvi     AzureCloud     3b80xxxx-xxxx-xxxx-xxxx-xxxxxxxxxx     vcloud-lab.com   User

❯ Get-AzureADUser -Filter "DisplayName eq 'janvi'"
     ObjectId                             DisplayName UserPrincipalName  UserType
     --------                             ----------- -----------------  --------
     38638e40-4971-xxxx-971d-2ee1f40724eb Janvi       janvi@vcloud-lab.com Member

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