Zoom is a communications platform that allows users to connect with video, audio, phone, and chat, made by Zoom Video Communications.
Zoom has become the top choice for various activities, including business meetings and virtual gatherings, making it easier for people to communicate remotely.
Sometimes while using Zoom, many users come across the Zoom error code 100000403, this error code indicates signal connectivity problems, typically caused by a network firewall or antivirus software blocking the connection.
Are you facing the Zoom error code 100000403?
In this article, we will cover what Zoom error code 100000403 means and some effective solutions to resolve the issue.
What is Zoom Error Code 100000403?
As per Zoom’s official help page, Zoom Error Code 100000403 indicates a connectivity problem that could be due to a network firewall or antivirus software installed on your system.
However, server problems or high traffic of users accessing the platform can also trigger this error.
How To Fix Zoom Error Code 100000403?
Below are some effective troubleshooting steps that may resolve the error code 100000403 on Zoom.
Check Your Internet Connection
Since the error code is related to connectivity problems, it’s recommended to start by checking your internet connection if you encounter this issue.
Ensure that your device maintains a stable and strong internet connection.
Attempt to reset your Wi-Fi router by turning it off and then on again. Or you can switch to a different network to resolve the issue.
Check Your Network Firewall Settings
Check your network firewall, as they might be blocking your connection to the Zoom servers which may cause error 100000403.
To check your firewall settings on a Windows:
- Click on the Windows icon, and search “Firewall” in the Search bar.
- Select “Windows Defender Firewall” from the search results.
- Click on “Allow an app or feature through Windows Defender Firewall” in the left sidebar.
- Scroll down the list to locate “Zoom Meetings.”
- Confirm that the checkboxes next to “Public” and “Private” are marked.
- If they’re unchecked, click “Change settings.”
- Tick the boxes next to “Public” and “Private” for Zoom Meetings.
- Click “OK” to save the changes.
Check Your Antivirus Software
You need to check your antivirus software settings, because some antivirus programs may block Zoom’s internet connections, by adjusting these settings could help to resolve the issue.
Here is how to check your antivirus software settings on Windows:
- Open your antivirus software
- Navigate to the firewall or network protection settings.
- Locate the list of allowed apps or programs.
- Confirm if Zoom is listed there.
- If Zoom is not listed there, click “Add” or “Allow” and add Zoom to the list of allowed apps or programs
If the issue is not solved, you may need to disable your antivirus software temporarily
It’s advised on Zoom’s official page that if antivirus software on your system is causing connectivity problems, temporarily disabling it might be the best solution.
Check Zooms Server Status
Server-related problems usually happen when too many users are trying to access the platform.
You can wait for the server load to go down, before trying again.
Also, it’s possible that the server is under maintenance and that can also cause the problem.
Contact Zoom Support Team
If you have tried all our troubleshooting steps and still getting the same error, try to contact the Zoom customer support team for further assistance.