SSL difficulties after WP Multisite migration

Dear friends,
I was really pleased to see the hosting service within the membership and I have decided to transfer all my sites here. When I created new sites, everything worked perfectly so I have decided to migrate my main wordpress MU installation. Originally the installation was without SSL certificate and after the migration I have difficulties with some pictures on some blogs. I can see them in Media library, but they do not show on page. If I open the picture on their own in browser, it says that the site is not safe and the certificate is not valid.
Can you, please give me an advice how to solve this issue?
Thank you very much.
Best regards
Petr Sahula

  • Nithin
    • Support Wizard

    Hi Petr,

    Hope you are doing good today. :slight_smile:

    I checked your homepage for the site, and the site is loading in HTTPS, and with SSL enabled in it without any issue.

    I could notice the following image is loading in http, business-3152586_1920.jpg. Which you can correct by re-uploading the image again to your homepage, so that the https path would be used.

    Other than that, I'm not able to notice any images not loading in your homepage, nor able to notice any certificate not valid error when I try to open the image in the browser, have you fixed the issue?

    In general, once the domains are added, in the "Domains" tab under Manage Hosting section of our WPMU DEV Host, SSL certificates will take some time to get generated for the newly added domain automatically.

    Please let us know if you still any further query regarding this, and please share any screenshots, if the issue still exists in your website.


  • luhas
    • The Incredible Code Injector

    Hi Nithin,

    Thank you very much for your response. The issue still persist. I am sorry, I have forgotten to add that it is issue of the subsites for the following domains. (many pistures on page missing) (missing the main banner picture) (main banner and some small icons missing)
    I would be glad if you have an idea how to correct this issue.

    I really appretiate your help.
    Have a great day.

  • luhas
    • The Incredible Code Injector

    Hi Nithin again,

    I have just found the solution for this issue so everything is all right now.

    My WP MU site is subdomain site so the pictures that were not isuued with the certificate and responded with security thread or did not show up were placed at subdomains e.g.,, and others. As soon as I had added these supdomains to Hosting/Domains, everything started working as expected.

    Thank you very much for your assistance.
    Best regards,

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