Import-Module : Could not load type ‘Microsoft.SharePoint.Administration.DesignPackageType’ from assembly ‘Microsoft.SharePoint.Client, Version=16.0.0.0, 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=16.0.0.0, Culture=neutral,
PublicKeyToken=71e9bce111e9429c’.
At line:1 char:1
+ Import-Module -Name Microsoft.Online.SharePoint.PowerShell
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Import-Module], TypeLoadException
    + FullyQualifiedErrorId : System.TypeLoadException,Microsoft.PowerShell.Command
   s.ImportModuleCommand

PS C:\>

Import Module Could not load type Microsoft.SharePoint.Administration.DesignPackageType

Solution:

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”

Salaudeen Rajack

Salaudeen Rajack is a SharePoint Architect with Two decades of SharePoint Experience. He loves sharing his knowledge and experiences with the SharePoint community, through his real-world articles!

2 thoughts on “Import-Module : Could not load type ‘Microsoft.SharePoint.Administration.DesignPackageType’ from assembly ‘Microsoft.SharePoint.Client, Version=16.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c’

  • July 30, 2021 at 7:43 PM

    Totally Works for me. Thanks!

    Reply
  • October 23, 2020 at 10:46 AM

    Thank you it worked! The last Install-Module step failed for me but I just downloaded the installation package from https://www.microsoft.com/en-gb/download/confirmation.aspx?id=35588

    Reply

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