Private/Get-Prerequisite.ps1
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function Get-Prerequisite { $modules = "CredentialManager","AzureAD","MicrosoftTeams","MSOnline","SharePointPnPPowerShellOnline","Microsoft.Online.SharePoint.PowerShell","SkypeOnlineConnector" $missingmodules = @() [boolean]$state = 1 #Check modules foreach ($module in $modules) { if (Get-Module -ListAvailable -Name $module) { Write-Host ("Module $module found") -Fore Green } else { Write-Host ("Module $module missing") -Fore Red $missingmodules += $module } } #Microsoft Online Services Sign-in Assistant for IT Professionals RTW if ((Get-ChildItem "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall") | Where-Object { $_.GetValue("DisplayName") -like "Microsoft Online Services Sign-in Assistant" }) { Write-Host ("Microsoft Online Services Sign-in Assistant for IT Professionals RTW found") -Fore Green } else { Write-Host ("Microsoft Online Services Sign-in Assistant for IT Professionals RTW missing, please download here:") -Fore Red Write-Host ("https://www.microsoft.com/en-us/download/details.aspx?id=28177") -Fore Yellow $state = 0 } #If services is missing and modules if ($state -eq 0 -and $missingmodules.count -eq 0) { Write-Host ("") Write-Host ("") -Fore red WaitAnyKey exit } elseif ($missingmodules.count -ge 1) { $title = "Install missing modules?" $message = "Do you want to install missing modules now?" $yes = New-Object System.Management.Automation.Host.ChoiceDescription "&Yes" $no = New-Object System.Management.Automation.Host.ChoiceDescription "&No" $options = [System.Management.Automation.Host.ChoiceDescription[]]($yes,$no) $choice = $host.UI.PromptForChoice($title,$message,$options,1) if ($choice -eq 0) { if ([bool](([System.Security.Principal.WindowsIdentity]::GetCurrent()).groups -match "S-1-5-32-544")) { Write-Host ("Current instance is running as administrator") -Fore Green foreach ($module in $missingmodules) { Write-Host ("Installing module $module") -Fore Yellow Install-Module $module } } else { Write-Host ("Please start PowerShell as administrator to install modules") -Fore Red WaitAnyKey exit } } Clear-Host Get-Prerequisite } Clear-Host } |