Hi, I run UCS 4 for our server quite a while with a properly working Let’s Encrypt certificate. It was monthly renewed without any issues. We regularly update the UCS server and now run UCS 4.4-2 errata-291. However, we realized that the certificate renewal that should have been performed on Se…

Hi, (re-)runing this script fixed it for me (certificates were renewed now): root@server-name:/usr/share/univention-letsencrypt# ./refresh-cert-cron … seems there was something wrong on letsencrypt-side last night?! BR, Thomas

Let's Encrypt fails to renew / verify certificate in UCS 4.4-2 errata-291: traceback error in logfile

Apps & App Center

Mornsgrans January 14, 2021, 3:38pm 8

If I see it right, Letsencrypt has issued new root and intermediate certificates, but the Letsencrypt app of Univention still is on an old release.

Letsencrypt verification failed

System diagnostic suddenly gives me: Found invalid certificate '/etc/univention/letsencrypt/signed_chain.crt'