Powershell Script - Finding out time Source of all the DC's in the domain

<#Created By Abhishek Bansal

Read Note 

Script Usage :: Useful in fetching sync time source for all the domain controllers of the domain.

Pre requisites :: Copy all the code into a text file, save it with an extension ".PS1". Once saved, run it as Administrator.

Execution & Outputs :: Once executed, there will be two files created as Timesyncdetails.csv containing output and Errorlogs.csv for any errors. #>

$dcs = (Get-ADDomainController -Filter *).Name

Write-Host -ForegroundColor Green "$((Get-ADDomain).PDCEmulator) is holding PDC role.."

$line = 0

$linecount = $dcs.Count

$pct = 0

foreach($dc in $dcs)

{

    $line++

    $dc = $dc.Trim()

    $pct = $line/$linecount * 100

    try{

    $error.Clear()

    Write-Progress -Activity " " -PercentComplete $pct

    Invoke-Command -ComputerName $dc -ScriptBlock{"`nFetching Sync time for $($using:dc)"} -ErrorAction Stop

    $dc | Select-Object -Property @{n="Hostname";e={$dc}},@{n="Source";e={Invoke-Command -ComputerName $dc -ScriptBlock{w32tm /query /source}}} | Export-Csv ./Timesyncdetails.csv -NoTypeInformation -Append

    }

    catch{

    $dc | Select-Object -Property @{n="Hostname";e={$dc}},@{n="ErrorInfo";e={$($error.exception.Message)}} | Export-Csv ./Errorlogs.csv -NoTypeInformation -Append

    }

}