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Publishing a new project to an existing Webflow hosted domain?


I’m just about to switch an existing Webflow project to a new one, and I have a question about the domain and publishing. Can anyone help?

It’s good to go, so I’d like to publish the new one. In the domain settings, I get the following error when adding my domain details.

That domain is already connected to a Webflow site.

Do I need to unpublish the old project first? If yes, what happens to the live site? Does the old site stay visible until I publish the new one to the same domain?

Or will I also need to update my DNS settings with my clients existing provider?

I need to know what the implications are for going live. Here’s what I MUST avoid…

If I were to unpublish the old site, publish the new one, find out the domain isn’t connected. I could end up with a dead URL until the DNS settings are updated by the clients existing provider. Which can take days as they’re incompetent.

This will cause a loss of income for my client. And untold stress for me. This MUST not happen.

One caveat, the old site is on the basic hosting packaging. The new one is a CMS hosting package.

Any clarification would be very helpful.


New site…

Old site…

I received a reply from Webflow support.

You can manually ‘unpublish’ an old site and publish a new one to the same domain. It uses the same DNS records. The downtime is only affected by the time you take to do this, and the propagation.

So it can be done safely without too much disruption. I will report back once it’s done.


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Well, I tried that and it will not let me publish (greayed out).
Same domain name, same server, only a new project to take the place of the old one.
Not sure what I am missing here. I even paid for new CMS hosting account, as stated in the docs I have read. Still grey publish button. I unpublished the site, still grey publish to custom domain.
I was asked to rebuild a new version of the current site that has CMS hosting.
Nothing is changing but the content. I move other hosting sites all the time, but cannot seem to understand how to do just that.
It has been 30 minutes and my new build has the green cms cloud but rocket icon is not green. The current site has only CMS green. When I try to publish to custom domain, the check box won’t let me.
Can anyone help me understand what I am missing here?
Thank you …

To clarify, are you overriding a site that isn’t currently hosted by Webflow? If so, maybe double check the records. This sounds like it could be a DNS issue with your current server.

The only other issue I can see is if you don’t have SSL setup on the server. You’ll need that enabled too.

I’d maybe try and get some support of another ticket?

I’m not that experienced with these things.

Good luck.