Import-Module : Could not load type 'Microsoft.SharePoint.Administration.DesignPackageType' from assembly 'Microsoft.SharePoint.Client, Version=, Culture=neutral, PublicKeyToken=71e9bce111e9429c'

Problem: When trying to import PowerShell module for SharePoint Online with "Import-Module -Name Microsoft.Online.SharePoint.PowerShell", got an error message:
PS C:\> Import-Module -Name Microsoft.Online.SharePoint.PowerShell                 
Import-Module : Could not load type
'Microsoft.SharePoint.Administration.DesignPackageType' from assembly
'Microsoft.SharePoint.Client, Version=, Culture=neutral,
At line:1 char:1
+ Import-Module -Name Microsoft.Online.SharePoint.PowerShell
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Import-Module], TypeLoadException
    + FullyQualifiedErrorId : System.TypeLoadException,Microsoft.PowerShell.Command

PS C:\>

This is due to DLL Version mismatch. To resolve the issue, follow these steps:
  1. Uninstall SharePoint Online Management Shell and SharePoint Online Client SDK if installed.
  2. Delete SharePoint Online Client Assemblies from: C:\Windows\Microsoft.NET\assembly\GAC_MSIL, Remove all Folders starting with name: Microsoft.SharePoint*
    Could not load type Microsoft.SharePoint.Administration.DesignPackageType from assembly
  3. Uninstall the module with "Uninstall-Module -Name Microsoft.Online.SharePoint.PowerShell" and reinstall the module "Install-Module -Name Microsoft.Online.SharePoint.PowerShell"

1 comment:

  1. Thank you it worked! The last Install-Module step failed for me but I just downloaded the installation package from


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