Solved: How do I fix Zoom Error code 104103?

Problem Symptom: The user reported that the Zoom app is stuck at connecting status with error code 104103 during the Zoom online meeting or unable to join the Zoom meeting, even the Internet connection speed is stable.

Zoom Error 104103 is a cross-platform error encountered on all types of devices, such as PC, mobile, etc. Zoom errors code including 5, 5003, 104101, 104102, 104103, 104104, 104105, 104106, 104110, 104111, 104112, 104113, 104114, 104115, 104116, 104117, and 104118 are mostly caused by connectivity issues when connecting to Zoom’s servers.

  • I tried everything to fix the PreviewZoom error code 104103, but I can’t. My zoom is still stuck on “connecting”. Can anyone help me?
  • What is the Zoom app error code 104103?
  • Why does Zoom show a connection error 104103 even if my connection speed is fast and my mobile is up-to-date?
  • What are the ‘Error code: 5’, ‘Error 5003’, and ‘Error code: 104103’ in Zoom during an online meeting or class, and how can they be fixed?
  • What can I do if I can’t join meetings in zoom because of an error: 104103. Pls, help?
  • How do I fix error code 104 103 on the Zoom app?
  • What is the Zoom app error code 104103?

The detailed error message as below:

Can’t connect to our service, please check your network connectivity and try again. Error code: 104103

Solved: How do I fix Zoom Error code 104103?

Follow the below solution steps to fix Zoom Error code 104103.

Content Summary

Potential Causes
Solution 1: Check and verify minimum requirements
Solution 2: Update Zoom app and dependent components to the latest version
Solution 3: Configure network
Solution 4: Disable antivirus
Solution 5: Clear application data and cache
Solution 6: Reinstall Zoom app
Solution 7: Verify sufficient license allocated
Solution 8: Wait for Zoom server to recover
Solution 9: Escalate to Zoom official support
Solution 10: Ask for help

Potential Causes

  • Internet connectivity issues with Zoom’s servers such as blocking Firewall, Proxy, TCP, and SSL timeout.
  • Unstable Internet connections.
  • Outdated operating system, Zoom app, or other dependent components including device driver.
  • Improper SDK version in Zoom app when an attempt to connect to Zoom’s server.
  • Antivirus programs interference.

Solution 1: Check and verify minimum requirements

Referring to System requirements for Zoom Rooms. Check and confirm that your environment fulfils the stated minimum requirements:

  • Sufficient hard disk space.
  • Internet connection bandwidth.
  • Restart the phone or computer.
  • Restart network device including router or dongle for better speed.
  • Consider trying with a different device.

Solution 2: Update Zoom app and dependent components to the latest version

Make sure all the following dependent components are up to date:

  • Operating system
  • Web browser
  • Zoom app
  • Device driver for video and audio

Solution 3: Configure network

Check with the Internet Service Provider to confirm that you can connect to the Zoom service.

If your network is protected by a firewall or proxy, contact a network administrator to check the Firewall and Proxy Settings.

If you facing this Zoom error on PC, go to Control Panel > Internet Options > Connections tab > Local Area Network (LAN) settings > Check the Automatically detect settings option.

Antivirus software like AVG and McAfee Web Protection maybe block the connection to the Zoom server. Try to temporarily disable the antivirus service and try again.

Solution 5: Clear application data and cache

Clear application data, cache, temp files, and allow all permissions for Zoom, after that restart and log in to Zoom again.

Solution 6: Reinstall Zoom app

Download the latest version of the Zoom client installer and install it manually. Remember to temporarily stop the antivirus while reinstalling the Zoom app.

Solution 7: Verify sufficient license allocated

Visit Zoom User Management Dashboard as an admin or owner of the Zoom account, click on the Edit buttons and reapply for the proper webinar license.

Solution 8: Wait for Zoom server to recover

Sometimes, these errors may be caused by the server-end temporary and will fix by Zoom within a short timeframe.

Solution 9: Escalate to Zoom official support

If you have tried all the above-mentioned solutions but still experience issues, you can escalate it to Zoom official support by submitting a technical support request. In order to help accelerate the support process, extract the installer.txt file located at c:/users/username/AppData/Roaming/Zoom, attach it together when submitting a ticket.

Solution 10: Ask for help

You can also check various forums for more information on this error.