Hi,dear
IF you forget the IPC address ,you can use IPC camera tool to trace the Camera IP.
IPC camera tool download link:
https://support.huawei.com/enterprise/zh/video-surveillance/ipc-tool-pid-21500933/software/22975613?idAbsPath=fixnode01|7881490|7919735|9864313|21781998|21500933
you can reset the IPC by reset button
Or login IPC web UI,On the Maintenance tab page that is displayed, click Reset Device.