There are following steps for How to reset Password of HikVision DVR, NVR or Camera.
Step-1: First of Download "SADP Tool". Download Here .Step-2: Download "XML" file also. Download Here .
After Download "SADP Tool". Install it in English Version.
Step-3: After installation of software. Open this software.
Step-4: Click on Refresh button. You can see all detail of DVR or NVR and all IP Camera.
Step-3: Click on "Forgot Password".
Step-6: Set new password for New Password and Confirm Password then Click on "Confirm" button.
Now, Open your DVR or NVR and check with your new password.
Note: If You will want to more information, Please mail me on "info@itsolution4u.in"