If your DVR is in its factory state, try these common combinations: admin | Password: (leave blank) Username: admin | Password: 123456 Username: admin | Password: 888888 Username: admin | Password: admin Reset Methods
For older Multistar models, technical users have sometimes found success by shorting the "G1" jumper pins on the circuit board for 60 seconds during startup. Use caution with this method as it involves internal hardware. multistar dvr default password work