ManageExchangeServices.ps1

function Get-ExchangeServices {
    $services = @(Get-Service MSExchange* | Where-Object { $_.StartType -eq "Automatic" })
    $services += Get-Service HostControllerService
    $services += Get-Service W3SVC
    return $services
}

function Stop-ExchangeServices {
    $servicesToStop = Get-ExchangeServices
    foreach ($service in $servicesToStop) {
        Stop-Service $service -Force
    }
}

function Start-ExchangeServices {
    $servicesToStart = Get-ExchangeServices
    foreach ($service in $servicesToStart) {
        Start-Service $service
    }
}