Zoom Blocked by Non-Existent Proxy

A user was unable to connect to a Zoom call. It would spin trying to connect for quite a while, then finally display a certificate error:

Zoom 1

Zoom 2

Some googling finally led me to check for a proxy. In Internet Explorer 11 Options, click the Connections tab, then LAN settings. Sure enough, a proxy was configured, if I recall correctly to the local machine ( This is possibly a remnant of her old Juno email client, which was notorious for forcing a proxy:

Zoom 3

Once I unchecked “Use a proxy server”, Zoom was immediately able to connect.

Leave a Reply

Your email address will not be published.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

Notify me of followup comments via e-mail. You can also subscribe without commenting.

This site uses Akismet to reduce spam. Learn how your comment data is processed.