For this specific model (DS-7208HGHI-F1) running firmware , the XML import/export trick works best. Do not use the "Forgot Password" button in the GUI—it rarely works on legacy units.
To reset the password, you need to prove ownership of the device to Hikvision’s security protocols. reset password dvr hikvision ds-7208hghi-f1
Let us know in the comments below, or share which method worked for you. For this specific model (DS-7208HGHI-F1) running firmware ,
This is the most common modern method if you have previously linked your device to the Hik-Connect App On the DVR Screen Forgot Password on the login page. Select Verification Verify by Hik-Connect Scan QR Code : Open your Hik-Connect app, go to Reset Device Password , and scan the QR code displayed on your monitor. Enter Code go to Reset Device Password