19 Sites offline after moving MainWP site

I setup a new hosting server and moved our MainWP Pro site there as the first account on this cPanel server. All sites are working fine except about 20 of them which can’t be connected to or reconnected.

The sites I’m trying to connect/reconnect to haven’t moved, are on the same server. The only thing that changed was moving the MainWP Pro install.

I’m attaching a couple of screenshots here showing the error after trying to connect/reconnect. I have never seen this error.


Video clip: Clips

Also, are tickets submitted via the website no longer used? When I used that channel, I never get a reply.

Hey @webjive

The last ticket I see from you was from 4 months ago. I’ve reached out to you via DM just now for more details so we can track down this issue of ticket submissions.

I’ve seen this issue of Code 415 Unsupported Media Type before. It was due to the connection from the MainWP Dashboard site being blocked by Imunify360 or SiteGround’s Captcha protection that’s present on the Child Sites.

For whatever reason, the security that’s in place on these sites believes that your new IP or URL of the MainWP Dashboard is less reputable than the previous one.

The solution to this is to ask the hosting support of where the child site is hosted to whitelist the MainWP Dashboard’s URL and/or IP.

While we work on the issue of your ticket submissions, you can DM me WP Admin access to your Dashboard site and I can try determining exactly which security solution is blocking the connection so you have more information when reaching out to the hosting support.

I have done that already and the other 80+ sites are working fine. We are an Imunify30 client and I have the site IP (with Linode) whtelisted already. This server can pull from our other two servers at the cPanel level so I don’t think its a firewall issue. I’ll check one more time.

BTW, we are the hosting company.

As for the ticket, I sent that yesterday. Not sure why they aren’t getting through?

We are still looking into this.

Could you please try submitting a form from an Incognito window without any browser extensions running?

While we’re figuring out the support form issue, you can email us directly at [email protected] or you can DM me here on this forum, and I can try determining exactly what is blocking the connection.

I just quadruple checked and even moved one of the problem sites to the new server where the MainWP is now hosted and the issue is still there.

Hey @webjive

Regarding the support form - could you please try submitting a form from an Incognito window without any browser extensions running?

Please observe if you are getting this error message when submitting:

Oops! Your email couldn't be accepted. This may be due to a typo, a temporary/disposable email, or a high-risk domain. Please use a valid, permanent email. If you believe this is a mistake, contact us at [[email protected]](mailto:[email protected]).

Regarding the connection issue - you can email us directly at [email protected] or you can DM me here on this forum, and I can try determining exactly what is blocking the connection.

Email sent to the support address

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Video. Same thing with incognito. I also sent another site in my last support reply.

Just to provide an update on this.

We have identified and fixed an issue with our anti-spam systems which has blocked a couple of support ticket submissions on https://mainwp.com/my-account/get-support/.

As for the issue with the connection - it indeed seems to be blocked by Imunify360 and @webjive is working with I360 support on resolving this.

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Imunify360 got back with me yesterday. Here’s their response since everything is whtelisted on our end.

We also disabled mod_security and stopped all I360 services and still got this same message. Is there caching somewhere maybe?

Still having issues. The error has cleared but still can’t reconnect these sites.


Thanks for the update.

I will take a look at your sites using the access you provided in the support ticket as soon as I can.

Hey @webjive

The website in question is using www in it’s URL (Non-www URL redirects to www), and in that screenshot you’ve tested the non-www version.

It also appropriately added with www in the MainWP Dashboard.

When you test the www version, you can see that the Imunify360 is still blocking the connection.

Did you fix it? I had the same problem today.

Nope, it’s not Imunify. 100% whitelisted IP’s. WWW and non WWW on another account still won’t connect. Clips

Hey @webjive

From what I can see on your Dashboard, the site from your last clip is getting blocked by Imunify360.

Considering we have a support ticket open for this issue, let’s please continue troubleshooting it there since we have to discuss potentially sensitive information.

I will update this thread once the problem is resolved.

Just to provide an update on this -

@webjive has identified that the connection was being blocked by the Imunify360 Webshield.

All but 2 sites were reconnected, and @webjive is now investigating the remaining 2.