How to Fix Zoom Error 104103
Updated
· By Daniel Carter
· About Zone Desire
Quick answer
Zoom error 104103 is part of Zoom's 1041xx connection errors. It means the app cannot connect to Zoom's servers, often because of a firewall or network filter. Allow Zoom through your firewall, restart the router and try another network.
What does “Zoom Error 104103” mean?
Zoom's connection attempt was blocked or failed.
What causes it?
- Firewall or antivirus
- Network filter or proxy
- Router DNS issue
Steps to try
Stop when the issue is resolved.
- Restart the router and PC.
- Allow Zoom through Windows Firewall and antivirus.
- Turn off VPN or proxy.
- Flush DNS: ipconfig /flushdns.
- Try a different network such as a phone hotspot.
Need more support? Check the official help: Microsoft Support
FAQs
What are 1041xx errors?
They are a group of Zoom connection errors (104101 to 104118) with similar fixes.
Do I need to reinstall Zoom?
Usually no; network fixes solve these errors.