1. What is the problem? Be very detailed. Preview of form is not available, as soon as I uploaded a new form successfully, i wait few seconds for the preview button to become available. I click the preview button then I'm redirected to enketo and I get: "Loading Error", "Could not connect with Ser…

Same problem, did you found solution?

@KonstantinosKr To resolve this problem, first identify your upstream DNS servers. Check this topic https://docs.getodk.org/central-troubleshooting/

Thanks, but problem still exist after your suggestion.

Have the same problem. The DNS works perfectly OK(I have the page running, set up users and projects and uploaded a form from formBuilder), how could doctoring DNS solve anything?

[image] KonstantinosKr: SSL_TYPE=selfsign DOMAIN=localhost Neither Enketo nor Collect will work with self-signed certificates. See Central/Enketo integration with self-signed cert - #2 by LN for more. You also need to make sure you have disabled any firewall you have configured . @Hartmut_N…

I had the same issue, where the Enketo didn't load my form. Checking the links on the thread here led me to this: https://docs.getodk.org/central-troubleshooting/#preview-could-not-connect-with-server and after editing the DNS, it started working. I changed the "33.333.33.3" and "33.333.33.2" with …

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Enketo says "Could not connect with Server" on preview request

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