If you created a new password for POE IP camera but forget it, here is a method for how to reset it to factory default.
1. connect NVR to a router by network cable.
2. Get a computer which is also connected to the same router as NVR and download software to computer to find POE IP camera's IP. Here is software.
3. Install the reset tool. Here is link
4. Run ResetTool.exe on computer and input POE IPC's IP address. Finally, click Reset.
5. wait for 20 seconds and there will be a window come up to let you wait for rebooting. Finally, you can access the camera with its default password none.