Restart-Service.ps1

<#
    .Synopsis
        Restart a service on list of remote computers.

    .Description
        This script helps in restarting a service remotely on list of remote computers.

    .Parameter ComputerName
        Computer name(s) for which you want to get the disk space details.

    .Example
        Restart-Service.ps1 -ComputerName Comp1, Comp2 -ServiceName dnscache

        Restart DNSCache service on Comp1 and Comp2 computers and report the status

    .Notes
        NAME:      Restart-Service.ps1
        AUTHOR:    Sitaram Pamarthi
        WEBSITE:   http://techibee.com

#>

[cmdletbinding()]
param(
    [parameter(ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)]
    [string[]]$ComputerName = $env:computername,

    [parameter(Mandatory=$true)]
    [string]$ServiceName,

    [string]$OutputDir = "C:\"
)

begin {
}
process{

    $SuccessComputers  = Join-Path $OutputDir "SuccessComputers.txt"
    $FailedComputers   = join-path $OutputDir "FailedComputers.txt"
    $OutputArray = @()
    foreach($Computer in $ComputerName) {
        $OutputObj  = New-Object -TypeName PSobject
        $OutputObj | Add-Member -MemberType NoteProperty -Name ComputerName -Value $Computer.TOUpper()
        Write-Verbose "Working on $Computer"
        $Status = "Failed"
        $IsOnline=$false
        if(Test-Connection -ComputerName $Computer -Count 1 -ea 0) {
            $IsOnline = $true
            try {
                $ServiceObj = Get-Service -Name $ServiceName -ComputerName $Computer -ErrorAction Stop
                Restart-Service -InputObj $ServiceObj -erroraction stop
                $Status="Success"

            } catch {
                Write-Verbose "Failed to restart $Service on $Computer. Error: $_"
                $Status="Failed"
            }


        }
        else {
            Write-Verbose "$Computer is not reachable"
            $IsOnline = $false

        }
        $OutputObj | Add-Member -MemberType NoteProperty -Name Status -Value $Status
        $OutputObj | Add-Member -MemberType NoteProperty -Name IsOnline -Value $IsOnline
        $OutputObj
        $OutputArray += $OutputObj
    }

    $OutputArray | ? {$_.Status -eq "Failed" -or $_.IsOnline -eq $false} | Out-File -FilePath $FailedComputers
    $OutputArray | ? {$_.Status -eq "Success"} | Out-File -FilePath $SuccessComputers
}
end {
}