Import-Module activedirectory
write-host "**************************************************************"
Write-Host "`nThis script will tell you what computer a user is logged in to" -ForegroundColor Yellow -BackgroundColor Black
write-host "`n**************************************************************"

$i = 0

#sets up credentials
$myusername = "**DOMAIN**\" + [Environment]::UserName


$credentials = Get-Credential -UserName $myusername -Message  "Please enter your ADMIN password"
write-host "`nPlease enter a user name to query:" -ForegroundColor Yellow
$name = read-host
$username = ((get-aduser -filter * | where {$_.name -like "$name"} | select samaccountname).samaccountname).tostring()

# Gets relevant servers with shares:
write-host "`nGetting server list." -ForegroundColor Cyan
$servers = get-adcomputer -filter {(name -like "*KSLNAS01*") -or (name -like "kslpartner") -or (name -like "kslsql01*") -or (name -like "kslfs01")} | sort-object name


# Starts a job for each server
write-host ""
write-host 'Querying' $servers.count 'servers.' -ForegroundColor Yellow
$servercount = $servers.count
foreach ($server in $servers)
    {
    # Querying each of the servers for connections to shares
    $servername = $server.name
    $userSessions = Get-WmiObject Win32_ServerConnection -computername $servername -Credential $credentials

    #progress bar
    write-host "Querying $servername" -ForegroundColor DarkYellow

    Write-Progress -activity "Servers Processed" -status "Percent Complete : " -PercentComplete (($i++ / $Servers.Length)  * 100)

    # Filtering out the results
    foreach ($userSession in $userSessions)
        {

            if ($userSession.username -eq $username)
                {
                #convert ip to hostname
                $IPAddress = $userSession.computername
                $hostname = Get-WmiObject win32_computersystem -Computer $IPAddress -Credential $credentials

                $found = "yes"

                #select user details
                $userDetails = [string]::Format("User {0} is logged on to {1}", $userSession.UserName, $hostname.name)

                #print user details
                Write-Host "`n$userDetails" -ForegroundColor Green
                $continue = read-host "`nPress ENTER to exit"

                if ($continue -Ne "C")
                    {
                    exit
                    }

                }


            else
                {
                #if no instances are found, continue to search next server
                }

        }

    }

 if ($found -ne "yes")
    {
    write-host "I can't find any PCs with $user logged in to them" -ForegroundColor Red
    }