The message “Network Abnormal” shows up when you’re trying to access your Hikvision NVR (or DVR or even a single camera) from your browser or on the iVMS-4500 app. There are various reasons why this message pops up on your device. In this article we will provide a few how-to fix tips that can help you resolve this problem and bring your security system back online.
Follow these steps:
1. Make sure the IP address (or DDNS) you’re typing is the right one and hasn’t changed. If the IP address of your NVR/DVR/IP camera has changed but you’re still hitting the old one, you’re still gonna see the web interface on your browser and that happens because the web browser is using cookies and has cached your previous IP address (which used to work). In this case you need to make sure that the IP address is correct. You can also delete the cache from your web browser and try it again.
2. Restart your web browser or your app.
3. Turn off and on your WiFi (or internet connection) from your device (computer or phone).
4. Make sure you haven’t turned on the IP address restriction in the camera settings (or NVR/DVR settings). You should be able to find this option under the Network Settings of your device. If that’s the case, you can get the web interface from another machine, but would get an error message of “Network Abnormal” every time you try to login.
5. You may have an issue with your plugin. This happens quite often especially when you try to access the device via the web browser. Uninstall the plugin or re-install it again when prompt. This article has the instructions: Fix Hikvision “Please click here to download and install the plugin-in” issue.
6. In rare cases, you may have a problem with the network cable. Make sure it’s plugged properly and it’s crimped correctly.
7. Make sure the ports are open and the port forwarding is done correctly.
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