Install Graph PowerShell module from PSGallery

This step should only be completed in the prod (AUSTIN) domain.

Run the following commands to verify the NuGet provider is installed:

Find-PackageProvider -Name 'NuGet' -Force -ForceBootstrap

Run the following commands to trust the PSGallery:

Set-PSRepository -Name 'PSGallery' -InstallationPolicy Trusted

Run the following commands to define the names of the Graph PowerShell module collection and of any modules that are a dependency for other modules the collection:

$PowerShellModuleName = 'Microsoft.Graph'
$DependsOnModuleNames = 'Microsoft.Graph.Authentication'

Run the following commands to split the Graph PowerShell modules based upon the module dependencies:

$Modules, $Dependencies = (Get-Module -Name "$PowerShellModuleName.*").Where({$_.Name -notin $DependsOnModuleNames},[System.Management.Automation.WhereOperatorSelectionMode]::Split)

Run the following commands to unload the Graph PowerShell modules respecting the module dependencies:

$Modules | ForEach-Object { Remove-Module -Name $_.Name -Force -Verbose }; $Dependencies | ForEach-Object { Remove-Module -Name $_.Name -Force -Verbose }

Run the following commands to remove the Graph PowerShell modules currently installed:

Get-ChildItem -Path "$env:ProgramFiles\WindowsPowerShell\Modules" -Filter "$PowerShellModuleName*" | Remove-Item -Force -Recurse -Verbose

Run the following commands to install the latest version of the Graph PowerShell modules from the PSGallery:

Save-Module -Path "$env:ProgramFiles\WindowsPowerShell\Modules" -Name $PowerShellModuleName -Force -Verbose