If you're having trouble connecting your host to the webinar and getting an error message from Zoom "Registration has not been enabled for this webinar", it might be due to a few reasons:

1. Your Zoom webinar could have a limit on registrations or attendees.

2. Registrations might be turned off manually for the Zoom webinar or your entire Zoom account.

3. There could be a required registration field in Zoom that doesn't exist in your HeySummit event.

4. The Zoom webinar might have already ended.
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We only block syncing to Zoom if there's a specific issue reported by the Zoom API. If you're sure everything's fine on your Zoom account now, syncing should continue smoothly without any problems.
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Please note that if you set up the webinar manually, you need to enable registrations
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and also set the approval type to 'automatically approve' since when HeySummit does it, we're doing it automatically when creating the webinar ourselves.
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After ensuring that registration is enabled and set to automatically approve, and confirming that all the mentioned settings in the error message are configured correctly in your Zoom account/webinar, you can reconnect the webinar host through the usual Event Setup > Webinar Hosts area.
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You can find more information in the following Zoom documentation on how to locate the auto-approval field and how to manage your registration settings.
​Customizing webinar registration
​How to set registration approval