SCCM - Run powershell script as a program

Hi,

I really need some help here.

I want to uninstall Lync 2010 and it's MUI pack with SCCM. For that i've made this powershell script:

[String]$File = "C:\Program Files\Microsoft Lync\UcMapi64.exe"
[String]$FileExists = (Test-Path $File -PathType Leaf)
[String]$ShortcutPath_01 = "$env:ProgramData\Microsoft\Windows\Start Menu\Programs\Microsoft Lync"
[String]$ShortcutPath_02 = "$env:ProgramData\Microsoft\Windows\Start Menu\Programs\Vestfrost\Microsoft Lync"
[String]$FilePath = "C:\Program Files (x86)\Microsoft Lync"

if ($FileExists -eq $false)
{
	Exit
}
elseif ($FileExists -eq $true)
{
	#Stopping Lync 2010 from running
	Stop-Process -Name "Communicator"
	
	#Uninstalling Lync 2010
	Get-WmiObject -Class Win32_Product | Where-Object {$_.Name -like "*Lync*2010*"} | ForEach-Object -process {$_.Uninstall()}
		
	#Deleting shortcuts
	Remove-Item -Path $ShortcutPath_01 -Recurse -Force
	Remove-Item -Path $ShortcutPath_02 -Recurse -Force
    	Remove-Item -Path $FilePath -Recurse -Force
}

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I want to run this powershell script as a program from SCCM 2007 R3. I've tried these command so far:

Powershell.exe -ExecutionPolicy Bypass -file "\\Server\Lync\blabla\Uninstall.ps1"
Powershell.exe -ExecutionPolicy Unrestricted -file "\\Server\Lync\blabla\Uninstall.ps1"

All that happens when they run, is that powerhell starts up and then nothing.

I've also tried with a batch script, that copies the powershell-file to the local computer and run it from there, but still nothing happens.

If I run it directly from the file, it Works perfect and removes Lync.

What am I doing wrong? :)