Experiencing software errors is as common as it is frustrating and, unfortunately, no software is really immune to glitches or bugs.

The 5003 error for the Zoom app can be fixed with the solutions below

  • When using Zoom, you can sometimes encounter error code 5003.This issue will percent you from successfully connecting to the service.Allowing Zoom through the firewall is a step that could help you here.

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Zoom users, for example, reported running into error 5003 when trying to connect and use the application.

Today, we will go over what this error code really means, causes that trigger it, and how properly to deal with the situation.

As a side note, we can also show you how to fix Zoom error code 1001 in case you also got this one as well while using the app.

What is error code 503 in Zoom?

Error 5003 appears on your screen when the connection has failed. Thus, this issue will keep you from initiating video calls, rendering the app useless.

The most common reason for Zoom error 5003 – Unable to connect is related to internal server issues when the Zoom web services fail to launch properly or the server status times out.

This Zoom server connectivity issue can also be triggered by the firewall, VPN proxy problems, or antivirus software getting in the way.

Of course, before getting into the troubleshooting process, closing and restarting the app could be useful, but many say it didn’t solve the problem.

We’re about to show you what to do when you get Zoom error code 5003 on your laptop, so you can go back to chatting with your friends.

How do I fix error 5003 on Zoom?

1. Restart the Zoom app

  • Press Ctrl + Alt + Del and then select Task Manager.
  • Select Zoom from the list and press the End Task button.
  • Restart Zoom.

2. Check Zoom server status

  • Go to the Zoom server website.
  • Check the status of the Zoom server to determine if this is causing the problem.

3. Reset Network Adapter Settings

  • Press Win + R to access the Run utility.
  • Type in cmd and press the Enter key.
  • Paste in the following command, then press Enter: ipconfig /flushdns
  • Now, paste the following command and then press Enter again: netsh winsock reset
  • Close the cmd window and restart your PC.
  • Try connecting to Zoom.

4. Change DNS server

  • Search for Control Panel and open the app.
  • Go to Network and Internet.
  • Now, go to Network and Sharing Center.
  • Next, choose Change adapter settings.
  • Now, right-click on the connection you are currently using and select Properties.
  • Select Internet protocol version 4 (TCP/IPv4) and click on Properties.
  • Select the Use the following DNS Server addresses option.
  • In the top row, you will add 1.1.1.1, while in the bottom one we have 1.0.0.1, then press OK.
  • Restart Zoom.

5. Allow the Zoom app through your Firewall

  • Search for Firewall and open the Firewall and Network Protection app.
  • Click on Allow an app through firewall.
  • Press the Change Settings button, then click on Allow another app.
  • Press on Browse, locate Zoom and then press Add.

6. Disable all Proxy servers

  • Press Win + I to bring up Settings.
  • Select Network & Internet, then choose Proxy.
  • Disable the Use a Proxy server option.

7. Reinstall Network drivers

  • Search for Device Manager and open the app.
  • Expand Network adapters, right-click the one you are using and select Uninstall device.
  • Reinstall the Network driver.
  • Restart your PC.

How do I allow Zoom on my firewall?

You can just go ahead and open the Search function in the taskbar and look for your Windows Firewall protection settings.

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Next, simply select the Allow an app through firewall option and, if you do not find Zoom on the list presented to you, you are going to have to add it yourself.

We explained this step with full details on solution number 5 in the guide above, so all the information you need on this topic is right there.

It’s a simple process and it will only take up a couple of minutes of your time. So, when encountering Zoom error code 5003 on Windows 10/11, the solutions above should help you fix the issue.

Share with us in the comments section below if this guide helped you through this annoying situation involving the Zoom app.

If the advices above haven’t solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

Still having issues? Fix them with this tool:

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