Setting up a new box......made a mistake with mac address when attaching it to the Donation...last 2 digits where fx and I put ex instead.........got message that my box is blocked by server..contact provider.............so I changed the mac to the correct number with same donation (i first left change mac Blank and donation mac says 00's) input correct mac address.....but box still says BOX Blocked by Server...went back to check donation and the mac says o's input my correct mac from the box...gives message that Mac is already in use................how to fix this ?