####################################################################################
# Set-Lync2010Windows2008R2Features.ps1
# Configures Windows Features to install Lync Server 2010
# on a Windows Server 2008 R2 Server
#
# v03 February2011 by Ståle Hansen (http://msunified.net)
#
# Thanks to
# Marjus Sirvinsks (http://marjuss.wordpress.com/) for adapting the script for OCS and Lync
# The Script is almost entirely based on Pat Richard, Bhargav Shukla and Anderson Patricio's script designed for Exchange 2010
# check it out here: http://msunified.net/exchange-downloads/script-exchange2010prereqs-ps1/
#
####################################################################################

# Detect correct OS here and exit if no match
if (-not((Get-WMIObject win32_OperatingSystem).OSArchitecture -eq '64-bit') -and (Get-WMIObject win32_OperatingSystem).Version -eq '6.1.7600'){
Write-Host "`nThis script requires a 64bit version of Windows Server 2008 R2, which this is not. Exiting...`n" -ForegroundColor Red
Exit
}

clear-host
pushd
[string] $targetfolder = "c:\Install"
# [string] $targetfolder = (Get-Content Env:Temp)
[bool] $wasinstalled = $false
[bool] $RebootRequired = $false
# determine if BitsTransfer is already installed
if (Get-Module BitsTransfer){$wasinstalled = $true}else{$wasinstalled = $false}

# this should probably get moved to a function...
if ((Get-Module ServerManager) -eq $null){Import-Module ServerManager}

[string] $opt = "None"
[bool] $HasInternetAccess = ([Activator]::CreateInstance([Type]::GetTypeFromCLSID([Guid]'{DCB00C01-570F-4A9B-8D69-199FDBA5723B}')).IsConnectedToInternet)

[string] $menu = @'

Lync Server 2010 - Prerequisites script
Please, select which role you are going to install..

1) Front-End
2) Director
3) Monitoring/Archiving
4) Communicator Web Access (OCS 2007 R2)
5) Mediation
6) Edge/XMPP GW
7) GroupChat
8) Download and install Lync Server 2010 ResKit
9) Download and install Lync Server 2010 Best Practices Analyzer
10) Exit and reboot
11) Exit

'@

function GetIt ([string]$sourcefile) {
if ($HasInternetAccess){
# check if BitsTransfer is installed
if ((Get-Module BitsTransfer) -eq $null){
Write-Host "BitsTransfer: Installing..." -NoNewLine
Import-Module BitsTransfer
Write-Host "`b`b`b`b`b`b`b`b`b`b`b`b`binstalled! " -ForegroundColor Green
}
[string] $targetfile = $sourcefile.Substring($sourcefile.LastIndexOf("/") + 1)
if (Test-Path $targetfolder){
Write-Host "Folder: $targetfolder exists."
} else{
Write-Host "Folder: $targetfolder does not exist, creating..." -NoNewline
New-Item $targetfolder -type Directory | Out-Null
Write-Host "`b`b`b`b`b`b`b`b`b`b`bcreated! " -ForegroundColor Green
}
if (Test-Path "$targetfolder\$targetfile"){
Write-Host "File: $targetfile exists."
}else{
Write-Host "File: $targetfile does not exist, downloading..." -NoNewLine
Start-BitsTransfer -Source "$SourceFile" -Destination "$targetfolder\$targetfile"
Write-Host "`b`b`b`b`b`b`b`b`b`b`b`b`b`bdownloaded! " -ForegroundColor Green
}
}else{
Write-Host "Internet Access not detected. Please resolve and try again." -foregroundcolor red
}
} #end GetIt

Do {

if ($RebootRequired -eq $true){write-host "`t`t`t`t`t`t`t`t`t`n`t`t`t`tREBOOT REQUIRED!`t`t`t`n`t`t`t`t`t`t`t`t`t`n`t`tDO NOT INSTALL Lync BEFORE REBOOTING!`t`t`n`t`t`t`t`t`t`t`t`t" -foregroundcolor yellow}
if ($opt -ne "None") {write-host "Last command: "$opt -foregroundcolor Yellow}
write-host $menu
$opt = Read-Host "Select an option.. [1-11]? "

switch ($opt) {
1 { Add-WindowsFeature NET-Framework-Core,Telnet-Client,RSAT-ADDS,Web-Static-Content,Web-Default-Doc,Web-Http-Errors,Web-Asp-Net,Web-Net-Ext,Web-ISAPI-Ext,Web-ISAPI-Filter,Web-Http-Logging,Web-Log-Libraries,Web-Http-Tracing,Web-Windows-Auth,Web-Filtering,Web-Stat-Compression,Web-Mgmt-Console,Web-Scripting-Tools,Web-Client-Auth,Desktop-Experience; $RebootRequired = $true }
2 { add-windowsfeature NET-Framework-Core,Telnet-Client,Web-Static-Content,Web-Default-Doc,Web-Http-Errors,Web-Asp-Net,Web-Net-Ext,Web-ISAPI-Ext,Web-ISAPI-Filter,Web-Http-Logging,Web-Log-Libraries,Web-Http-Tracing,Web-Windows-Auth,Web-Filtering,Web-Stat-Compression,Web-Mgmt-Console,Web-Scripting-Tools,Web-Client-Auth; $RebootRequired = $true }
3 { add-windowsfeature NET-Framework-Core,msmq-server,msmq-directory,Telnet-Client }
4 { add-windowsfeature NET-Framework-Core,web-server, web-http-redirect, web-asp-net, web-http-logging, web-log-libraries, web-request-monitor, web-http-tracing, web-basic-auth, web-windows-auth, web-mgmt-console, web-scripting-tools, web-mgmt-compat, was-process-model, was-net-environment, rsat-adds, telnet-client ; $RebootRequired = $true }
5 { add-windowsfeature NET-Framework-Core,Telnet-Client }
6 { add-windowsfeature NET-Framework-Core,Telnet-Client }
7 { add-windowsfeature NET-Framework-Core, web-server, web-mgmt-compat, web-asp-net, msmq-server, msmq-directory, rsat-adds, telnet-client ; $RebootRequired = $true }
8 { GetIt "http://download.microsoft.com/download/1/8/A/18ADD884-E16F-4AD3-8422-FC80073439AA/OCSReskit.msi"
Write-Host "Installing..." -ForegroundColor Green
cmd.exe /c c:\Install\OCSReskit.msi /qb
write-host "Done!" -ForegroundColor Green
}
9 { GetIt "http://download.microsoft.com/download/3/3/8/338D2314-1D23-47C1-8BB4-80FD39B84EA6/RTCBPA.msi"
Write-Host "Installing..." -ForegroundColor Green
cmd.exe /c c:\Install\RTCBPA.msi /qb
write-host "Done!" -ForegroundColor Green
}
10 { if (($wasinstalled -eq $false) -and (Get-Module BitsTransfer)){Write-Host "Removing BitsTransfer..." -NoNewLine;Remove-Module BitsTransfer;Write-Host "removed!" -ForegroundColor Green};popd;write-host "Exiting and rebooting..."; Restart-Computer}
11 { if (($wasinstalled -eq $false) -and (Get-Module BitsTransfer)){Write-Host "Removing BitsTransfer..." -NoNewLine;Remove-Module BitsTransfer;Write-Host "removed!" -ForegroundColor Green};popd;write-host "Exiting..."}

}
} while ($opt -ne 11)