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5b15194a0d
Will install PowerShell 3 if the machine has a lower version. WILL NOT do anything if PowerShell 3 (or higher) is already installed.
71 lines
No EOL
1.7 KiB
PowerShell
71 lines
No EOL
1.7 KiB
PowerShell
# Upgrade to PowerShell 3.0
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# Get version of OS
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# 6.0 is 2008
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# 6.1 is 2008 R2
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# 6.2 is 2012
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# 6.3 is 2012 R2
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if ($PSVersionTable.psversion.Major -ge 3)
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{
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write-host "Powershell 3 Installed already; You don't need this"
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Exit
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}
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$powershellpath = "C:\powershell"
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function download-file
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{
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param ([string]$path, [string]$local)
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$client = new-object system.net.WebClient
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$client.Headers.Add("user-agent", "PowerShell")
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$client.downloadfile($path, $local)
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}
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if (!(test-path $powershellpath))
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{
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New-Item -ItemType directory -Path $powershellpath
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}
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# .NET Framework 4.0 is necessary.
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if (($PSVersionTable.CLRVersion.Major) -lt 4)
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{
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$DownloadUrl = "http://download.microsoft.com/download/B/A/4/BA4A7E71-2906-4B2D-A0E1-80CF16844F5F/dotNetFx45_Full_x86_x64.exe"
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$FileName = $DownLoadUrl.Split('/')[-1]
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download-file $downloadurl "$powershellpath\$filename"
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."$powershellpath\$filename" /quiet /norestart
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}
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#You may need to reboot after the .NET install if so just run the script again.
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# If the Operating System is above 6.2, then you already have PowerShell Version > 3
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if ([Environment]::OSVersion.Version.Major -gt 6)
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{
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Exit
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}
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$osminor = [environment]::OSVersion.Version.Minor
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if ($osminor -eq 1)
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{
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$DownloadUrl = "http://download.microsoft.com/download/3/D/6/3D61D262-8549-4769-A660-230B67E15B25/Windows6.1-KB2819745-x86-MultiPkg.msu"
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}
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elseif ($osminor -eq 0)
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{
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$DownloadUrl = "http://download.microsoft.com/download/E/7/6/E76850B8-DA6E-4FF5-8CCE-A24FC513FD16/Windows6.0-KB2506146-x64.msu"
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}
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else
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{
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# Nothing to do; In theory this point will never be reached.
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Exit
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}
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$FileName = $DownLoadUrl.Split('/')[-1]
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download-file $downloadurl "$powershellpath\$filename"
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."$powershellpath\$filename" /quiet |