If the defaults do not work, you may need to force a reset. Use these methods in order: A. The "Master Password" Generator
If your DVR has a brand name on the front or back sticker, try these specific defaults: admin / admin h.264 dvr login password
Finding the login password for an "H.264 DVR" can be confusing because , not a specific brand of hardware. Thousands of generic and branded digital video recorders (DVRs) use this label on their casing. If the defaults do not work, you may need to force a reset