Hello, I am having issues with certificate renewal. I am getting the following error: "SniCertificate::CertificateNonvalidError: Unable to verify challenge for preview.mah.alyssakirstine.com : 2600:1f18:2489:8201::c8: Invalid response from http://preview.mah.alyssakirstine.com/.well-known/acme-chal…

millersapplehill.com is not configured for use with Netlify. The DNS records need configuring either using Netlify DNS or with external DNS . Check out [image] [Support Guide] DNS Quick Start - How to set up DNS Support Guides Last reviewed: July 2025 Note: Al…

Hi @AlyssaKirstine :wave:t6: welcome to the forums! @jasiqli is correct. If this doesn’t automatically renew after you update your DNS setting please do not hesitate to reach out.

I think my client changed the DNS settings… I just switched it back and tried to renew the certificate. I’m still getting the same error. Alyssa

Hi @AlyssaKirstine :wave:t6: , The issue is that the SSL certificate was extended for branch subdomain. Undo that and it will work.

How do I do that? I can’t figure it out through the Netlify interface. Alyssa [image]ᐧ

Based on your site settings now, this appears to be solved.

Yeah, it’s fixed. Thanks for the help. I ended up deleting the Netlify site and setting it up again since nothing else was working. I tried removing the branch subdomain and it didn’t fix it. The SSL certificate was still trying to renew the mah.alyssakirstine.com domain which was causing the error.…

Unable to renew SSL Certificate!

Support

jasiqli March 23, 2023, 9:30pm 5

DNS propagation isn’t instantaneous. It can take up to 48 hours

Topic		Replies	Views
Error renewing certificate Support netlify-dns-https-ssl	2	516	November 15, 2020
SniCertificate::CertificateNonvalidError: Unable to verify challenge Support netlify-dns-https-ssl	1	542	June 9, 2022
Error when trying to renew certificate error - SniCertificate::CertificateInvalidError Support netlify-dns-https-ssl	6	1562	February 27, 2020
Error when renewing the certificate Support netlify-dns-https-ssl	1	536	March 23, 2020
Automatic SSL Renewal failing Support netlify-dns-https-ssl	1	54	August 26, 2024

Unable to renew SSL Certificate!

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