Making sense of AD Replication Schedules

adreplication_part1.ps1

$site = Get-ADReplicationSite -Identity Toronto

$site.ReplicationSchedule.RawSchedule # Our boolean values

foreach ( $day in 0..6) # Iterate over each day of the week, starting with Sunday
{
    foreach ( $hour in 0..23) # Iterate over each hour
    {
        foreach ( $interval in 0..3) # Iterate over each 15-min interval
        {
            $replicationEnabled = $site.ReplicationSchedule.RawSchedule[$day,$hour,$interval] # This entry now contains a boolean value indicating if replication is enabled at that specific day, hour and interval
            # Convert our interval to a more readable value
            # We already know that it is a multiple of 15

            $intervalAsTimespan = New-TimeSpan -Minutes ($interval*15)

            if ( $replicationEnabled )
            {                
                Write-Host ('{0} - {1:d2}:{2:hh\:mm}' -f [System.DayOfWeek]$day,$hour,$intervalAsTimespan) -ForegroundColor Green
            }
            else
            {
                Write-Host ('{0} - {1:d2}:{2:hh\:mm}' -f [System.DayOfWeek]$day,$hour,$intervalAsTimespan) -ForegroundColor Red
            }
        }
    }
}