PowerCLI help install, update and troubleshooting tips

PowerCLI is a must-have tool for every VMware Administrator when you want to automate something in your VMware environment. In this blog, I highlight the installation, updating, and some troubleshooting tips for deploying and running PowerCLI on Windows OSes.

PowerCLI installation

  • Uninstall PowerCLI 6.x and earlier from the Add/remove programs or Programs and Features if exist.
  • Make sure you have an internet connection.
  • Check if Windows Management Framework 5.1 is installed for Windows 7,8 and Windows Server 2012 R2 and earlier OSes. Open PowerShell en enter:
PS C:\$PSVersionTable

Name Value
---- -----
PSVersion 5.1.17763.592
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.17763.592
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
  • If WMF 5.1 is not installed. Install the WMF 5.1 can be downloaded here, link . Windows 10, Windows Server 2016, and above have PowerShell version 5.1 already installed.
  • Installation PowerCLI
Install-Module -Name VMware.PowerCLI

PowerCLI installation with admin rights:

Install-Module VMware.PowerCLI -AllowClobber -SkipPublisherCheck

Use the -AllowClobber when you get: A command with the name Export-VM is already available on this system.

Install-Module VMware.PowerCLI -AllowClobber

Update PowerCLI

Update-Module -Name VMware.PowerCLI

These modules are installed in the following location:

  • Allow the execution of local scripts Admin rights needed:
Set-ExecutionPolicy RemoteSigned
  • Disable certificate checking and CEIP
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false -ParticipateInCeip $false
  • PowerCLI upgrade fails with a certificate error. The following error can occur when try to upgrade VMware.PowerCLI.
Install-Module VMware.PowerCLI -Force -SkipPublisherCheck

Install the VMware Horizon Module

  • Download the Horizon modules from GitHub: Link
  • Extract it
  • Copy the VMware.Hv.Helper folder to the modules path

Updating PowerCLI

The following steps can be used to update a PowerCLI 10 or 11 installation

  • Make sure you have a internet connection.
  • Check the PowerCLI version
Get-Module VMware\* -ListAvailable
  • Update the existing PowerCLI version
Update-Module -Name VMware.PowerCLI
  • Check the version of PowerCLI
Get-Module -Name VMware.PowerCLI -ListAvailable

Troubleshooting PowerCLI

The following troubleshooting options can be used when having problems with the installation and running of PowerCLI such as:

Could not load file or assembly……………….

  • Disable the Anti Virus.
  • Uninstall PowerCLI 6.x and earlier from the Add/remove programs or Programs and Features if exist.
  • Uninstall PowerCLI.
Get-Module VMware.PowerCLI -ListAvailable | Uninstall-Module -Force
  • Check the paths for VMware modules entries in the path. Remove VMware folder if exist.
  • List All the VMware modules and remove VMware modules.
Get-Module -Name VMware\* -ListAvailable
  • Check for old PowerCLI modules and installations such as:
C:\Program Files (x86)\VMware\Infrastructure\PowerCLI\Modules
  • List registered snapins.
Get-PSSnapin -registered
  • Delete the registry keys of the old PS snapins.


  • Reboot the Windows system.

Try to install the PowerCLI module using a clean install as described above.

The PowerCLI page can be found here: VMware Developer Documentation

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