Troubleshoot Zoom Meeting connection issues & error codes

Tashreef Shareef
by Tashreef Shareef
Windows & Software Expert
Affiliate Disclosure
Share this article:

  • Zoom is a leader in modern enterprise video communication and offers an easy, reliable cloud platform video conferencing platform.
  • In this article, we explore the reasons and solutions for the most common Zoom Meeting error codes reported on the Internet.
  • If you want more troubleshooting guides covering Zoom in particular, take a look at our dedicated Zoom Fix hub.
  • Visit our Teamwork hub, for more detailed how-to and troubleshooting guides on the topic.
Fix Zoom Meeting connection issues error codes
To fix various PC problems, we recommend Restoro PC Repair Tool: This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:
  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

Zoom is a popular video conferencing service that offers web, desktop, and mobile applications. Thousands of people rely on Zoom Meeting every day to attend meetings remotely. However, at times the users may experience Zoom Meeting connection issues when trying to access the service.

The Zoom Meeting connection issues are usually followed by an error code, which makes it easy to diagnose the issue. Some of the most common Zoom Meeting error codes are:

  • Zoom error code 5000/3/4
  • Zoom error code  10410/2/3/4/5/6
  • Zoom error code  104110/11/12/14/15/16/17/18

The Zoom meeting connection issues are usually attributed to network issues or security software blocking the connection.

In this article, we have listed a couple of fixes to help you troubleshoot Zoom Meeting connection issues and error codes.

How do I fix Zoom meeting connection issues and error codes

1. Check your firewall and proxy

1.1 Disable Windows Defender Firewall 

Zoom Meeting connection issues

  1. Click on Start and select Settings.
  2. Go to Update & Security.
  3. Select Windows Security.
  4. Under Protection Areas, click on Firewall and network protection.
  5. Click on your Active network.
  6. Turn off Windows Defender Firewall by toggling the switch.
  7. Click Yes when prompted by UAC.

1.2 Disable third-party firewall

  1. Launch your third-party antivirus or firewall application.
  2. Go to Firewall settings.
  3. Turn off the firewall temporarily.

If disabling the firewall helps you resolve the Zoom meeting connection issue, contact a network administrator to check your firewall and proxy settings.

If you are the network administrator, try reconfiguring the network firewall with correct ports and destinations. You can learn more about configuring the network firewall for Zoom here.

Stuck with Zoom isn’t configured for this account error? Here’s how we fixed it!

2.  Disable your antivirus software

Zoom Meeting connection issues


  1. Right-click on the antivirus icon in the taskbar.
  2. If you are using Avast, go to Avast Shields Control.
  3. Select Disable for 1 hour.
  4. Steps to disable antivirus may vary depending on the software.

At times, the antivirus solution installed on your computer can block outgoing connections by a third-party app. To fix the issue, disable your antivirus temporarily, launch Zoom client, and check if the connection goes through.

If the issue is resolved with the antivirus disabled, try adding the Zoom client to the whitelist or trusted applications.

2.1 Add Zoom to trusted applications (Kaspersky)

Zoom Meeting connection issues

  1. Launch Kaspersky.
  2. Open the Settings tab.
  3. Go to Antivirus protection and select Web Anti-virus.
  4. Under Security Level, click on Settings.
  5. Click the Add button.
  6. Enter and click OK.

Once done, enable your antivirus again and check if the Zoom meeting network connection failed issue is resolved.

3. Check your ISP for connection issues

  1. If the issue persists, check with your Internet service provider for connection issues.
  2. Also, check with your ISP if you can connect to the Zoom service.

You can fix the Zoom Meeting connection issues & error codes by following the steps in this article. Make sure you contact the network administrator if you need to make changes to the firewall or proxy settings.

FAQ: Learn more about Zoom Meeting

  • How do I set up a free Zoom meeting?

Simply download and install Zoom and then follow the tutorial wizard. This makes it easy to use like all the other VoIP programs include din this list.

  • Why can’t I connect to Zoom?

If the Zoom app shows the connecting or network error, please try again the message, check your network connection. Other reasons for the Zoom connection can be issues with the network firewall settings or web security gateway blocking the connection.

  • What platforms is Zoom available on?

Zoom is currently available on Windows, Android, and iOS, making it one of the most versatile collaborative tools on the market.

idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).
Restoro has been downloaded by 0 readers this month.

Editor's Note: This article was originally published in April 2020 and was revamped and updated in August 2020 for freshness, accuracy, and comprehensiveness.

Leave a Reply

Your email address will not be published. Required fields are marked *