Hello, we are having this issue as well. One user got an authentication failure while others had no problems. The error code was 500 - INT_e2ec156707998dfd. We tried uninstalling the app and reinstalling it. The error code is now 500 - INT_d736213a390bce66.
To confirm, we are using the same replication steps as above and tried clearing cache. The Slack app is showing in the user’s Zoom marketplace and the “pre-authorize” button is toggled. There seems to be no issue when clicking on Manage or viewing the settings. But when the user types /zoom in Slack, it takes them to the sign-in page to authenticate, and says authentication failure.
As I said, it works for some users. Are you saying that EVERY Zoom account linked to each individual Slack account must be paid? As this is not the case; many are able to access Zoom in Slack on a free Zoom account.
It is a new implementation and only one user is encountering this issue. In fact, the matching e-mail address does not seem to actually be a requirement? In this case, though, the user in question does have matching e-mail addresses.
Please send an email to developersupport@zoom.us referencing this thread. Please also include the email of a user that is encountering this issue as well an email of a user where this is working as expected.
