7 Ways to Fix Error Code 5003 on Zoom [Connection Problems]

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

by Alexandru Poloboc
Alexandru Poloboc
Alexandru Poloboc
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With an overpowering desire to always get to the bottom of things and uncover the truth, Alex spent most of his time working as a news reporter, anchor,... read more
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Vlad Turiceanu
Vlad Turiceanu
Passionate about technology, Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world. Coming... read more
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  • 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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Experiencing software errors is as common as it is frustrating and, unfortunately, no software is really immune to glitches or bugs.

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.

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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

  1. Press Ctrl + Alt + Del and then select Task Manager.
  2. Select Zoom from the list and press the End Task button.end task zoom
  3. Restart Zoom.

2. Check Zoom server status

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

3. Reset Network Adapter Settings

  1. Press Win + R to access the Run utility.
  2. Type in cmd and press the Enter key.run cmd
  3. Paste in the following command, then press Enter: ipconfig /flushdnsipconfig
  4. Now, paste the following command and then press Enter again: netsh winsock resetrestart net
  5. Close the cmd window and restart your PC.
  6. Try connecting to Zoom.

4. Change DNS server

  1. Search for Control Panel and open the app.control panel
  2. Go to Network and Internet.network and internet
  3. Now, go to Network and Sharing Center.network sharing center
  4. Next, choose Change adapter settings.change adapter settings
  5. Now, right-click on the connection you are currently using and select Properties.internet proeperties
  6. Select Internet protocol version 4 (TCP/IPv4) and click on Properties.internet protocol 4
  7. Select the Use the following DNS Server addresses option.
  8. In the top row, you will add, while in the bottom one we have, then press OK.change dns
  9. Restart Zoom.

5. Allow the Zoom app through your Firewall

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

6. Disable all Proxy servers

  1. Press Win + I to bring up Settings.
  2. Select Network & Internet, then choose Proxy.proxy
  3. Disable the Use a Proxy server option.use proxy server

7. Reinstall Network drivers

  1. Search for Device Manager and open the app.
  2. Expand Network adapters, right-click the one you are using and select Uninstall device.network adapter uninstall
  3. Reinstall the Network driver.
  4. 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.

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.

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