param(
    [Parameter(Mandatory=$true)][string] $ServiceAccountName
)

#Install AD Module
Add-WindowsFeature RSAT-AD-PowerShell | Out-Null

#Install AD Service Account on a computer
try {
    Install-ADServiceAccount -Identity $ServiceAccountName
    Test-ADServiceAccount $ServiceAccountName
}
catch {
    $ErrorMessage = $_.Exception.Message
    Write-Output "Failed to Install-ADServiceAccount with Error Message:`r`n $ErrorMessage `r`n`r`n You either did not run the script as Admin or did not give the Service Account the right to be installed on a specified computer."
}