When you sent the XML file that you exported by the SADP tool you have to keep the DVR turned on, don't turn the device off until they send you back the file and you use it because every time you turn off the DVR, The key is changing.
When you sent the XML file that you exported by the SADP tool you have to keep the DVR turned on, don't turn the device off until they send you back the file and you use it because every time you turn off the DVR, The key is changing.