Zoom Error Code 104103 [How to Fix]

Zoom Error Code 104103 fix

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Zoom has become one of the most popular video conferencing platforms. It has more than 13 million users around the world. However, the Zoom application has many errors such as connectivity issues, server down, and various other errors.

Zoom Error Code 104103 is also one of the common errors on this meeting platform. Due to this bug, people are facing various connectivity issues. Check out the guide below for more information on Zoom error 104 103.

Ways to Fix: Zoom Error Code 104103

Let’s first understand what this problem is and its causes.

What is Zoom Error Code 104103?

If you are here, this means your screen might have displayed “Can’t connect to our service, please check your network connection and try again. Error code: 104103.”

Zoom Error Code 104103 will occur when the Zoom application has trouble connecting to the Zoom servers. The error is cross-platform, which means that it has encountered all types of devices, such as PC, mobile, etc.

In this article, we briefly explain the ways to fix these issues with the step-by-step guide.

Check your Internet connection

First of all, you need to check your internet connection, if there is any internet connection problem, please solve it first.

  1. Refresh the web page or click on the Retry button.
  2. Turn off all your devices that are connected to your router.
  3. Try to keep your router near your device.
  4. You can try connecting your device to the router by using an Ethernet cable.
  5. You can also contact your service provider to fix it.

Also, you can restart your router for better speed results.

Check Sim Settings

  1. Open Settings on your device.
  2. Click on SIM cards and mobile networks.
  3. Click on your Sim and tap Mobile Networks.
  4. Tap on Select network automatically.

Update the Zoom app

Sometimes an outdated version of the application is responsible for various problems in the application. So, make sure you are using the latest version of the Zoom app.

If you are using an outdated version of Zoom, you can update it from Play Store or Zoom.us.

Clear Application Data

You should also clear the app data and allow all permissions, after doing both, restart and login again.

See that the problems have been fixed or not.

Uninstall and Re-install the app

Uninstall your Zoom app and wait for a while. After few seconds, reinstall it again and see if this helps. 

Make sure to temporarily stop the antivirus while reinstalling the Zoom application.

Configure Network Firewall

Zoom Error Code 104103 fix

According to Zoom officials, error 104103 is related to blocking Firewall, Proxy, TCP and SSL timeout. Therefore, you must configure your Firewall.

If a firewall or proxy secures your network, you can contact a network administrator to check the Firewall and Proxy settings.

If you’ve encountered Zoom error code 104103 on PC: Navigate to Control Panel -> Internet Options -> Connection’s tab -> (LAN) Local Area Network settings -> check the Automatically detect settings option.

You can get more information by visiting here:


Disable Antivirus

Antivirus software like McAfee Web Protection and AVG might block the connection to the Zoom server. 

So, if you are using any antivirus, proxy or VPN software, please disable it and try to connect again.

Wait a while

Sometimes these kinds of connection problems are temporary and will automatically get fixed after some time. Therefore, you must wait some time.

Service Outage/ Internal bug

Sometimes, this issue may occur because of Zoom’s internal problems such as server down or other internal bugs. In this case, you must have to wait until the Zoom officials fix it.

To check the internal bugs or server down issue, we recommend you to use Downdetector to know the status of the problem:

Contact Support & Forums

Even after trying all the solutions mentioned above, if the error continues, you should contact Zoom official support, they will surely help you get rid of your problem.

You can contact Zoom officials by visiting here:


In addition, you can also check various forums for more information on this topic.

Hopefully, this information will help you solve your problem. If you have any other issues related to the Zoom app, feel free to comment in the comment section below. We will try to solve your problem as soon as possible.


Zoom Error Code 104103 is a problem related to connectivity in the Zoom app. In this article, we’ve briefly explained all the possible solutions related to error 104103 in the Zoom.

What is the meaning of error code 104 103?

Zoom Error Code 104103 will occur when the Zoom application has trouble connecting to the Zoom servers.

How do i fix Zoom error 104 103?

First of all, you need to check your internet connection. Update the Zoom app to tis latest version, clear cache, disable antivirus, configure network firewall, wait for a while, etc.

Why can I not connect to Zoom meeting?

You can try restarting your router, modem and the you’re currently Zoom on: smartphone or computer. You may also have to update your router’s firmware.

What do I do if my firewall is blocking Zoom?

If your network is secured by a firewall or proxy, you can contact a network administrator to check the Firewall and Proxy settings.

Other Zoom Error Codes:

Zoom Issues:

Zoom Password Not Working?

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