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Prerequisites

The PowerShellModuleName variable must already be defined or one of the following values must be set:

$PowerShellModuleName = 'ExchangeOnlineManagement'

Install the PowerShell module

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

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Set-PSRepository -Name 'PSGallery' -InstallationPolicy Trusted

Modify then run Run the following commands to define the name locate any installed instance of the PowerShell module :

If ([string]::IsNullOrEmpty($PowerShellModuleName)) { $PowerShellModuleName = 'ExchangeOnlineManagement' }$ModuleIsInstalled = Get-Module -Name $PowerShellModuleName -ListAvailable

Run the following commands to locate any active instance of the PowerShell modulesmodule:

$Found$ModuleIsActive = Get-Module -Name $PowerShellModuleName -ListAvailable

Run the following commands to unload any active instance of the PowerShell modulesmodule

If ($ModuleIsActive) { Remove-Module -Name $PowerShellModuleName -Force }

Run the code blocks in one of the following sections commands to update or install the latest version of the PowerShell modules module from the PSGallery: 

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If ($ModuleIsInstalled) { Update-Module -Name $PowerShellModuleName

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To update the module:

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 -Verbose } Else { Install-Module -Name $PowerShellModuleName -Verbose }