Support will email you a .bin or .reset file. Save it to a USB flash drive (FAT32 format). Insert the USB into the DVR, and the DVR will detect it and ask for a new password.
To reset a Multistar DVR password, you can try common default codes, use a date-based super password, or perform a physical factory reset. how to reset multistar dvr password full
No. Methods 2, 3, and 4 only affect system settings and user credentials. The hard drive data remains untouched. Support will email you a
If defaults fail, you can generate a one-day "super password" based on the system date shown on your DVR's login screen. H.264 Network DVR User Manual - Hoosier Security you can try common default codes