Error code 1020

If you encounter error code 1020 when trying to join Zoom meetings or access Zoom websites, this indicates that a firewall has blocked your access. This error occurs when the security system blocks access due to triggered firewall rules. This issue impacts users attempting to:

Follow these steps to troubleshoot error 1020.

Table of Contents

How to troubleshoot error 1020

Check other pages on the same website

  1. Access other sections of the Zoom website to verify if the issue is page-specific.
  2. Try accessing different page categories, like Resources.
  3. If other pages load properly, wait for the webmaster to fix the server-side issue on the specific page.

Clear your Zoom and browser cache

Clear your browser cache:

Clear your Zoom cache

Try a different web browser

  1. Install and use a different web browser from your current one.
  2. Attempt to access the Zoom meeting or website using the new browser.
  3. Check if the error persists across different browsers.

Adjust your VPN settings

If you're using a VPN and encountering the error:

  1. Disable the VPN service.
  2. Reload the page after disabling the VPN.

If you're not using a VPN but still getting errors:

  1. Install and enable a VPN service.
  2. Test accessing the website again with the VPN activated.

Update Zoom

  1. Check for and install any available updates in the app's settings.
  2. Make sure you are using the latest version of the Zoom app. Review your app version and then upgrade as necessary.
  3. Restart your device after completing the updates.