Stefan Helander

Ispconfig3 certbot is not renewing certificates (Ubuntu 20)

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When creating a new site, a valid certificate was issued but when expiring they where never renewed. Investigating /etc/letsencrypt directories was missing the usual subfolders, like live for example.

It turned out the server had both acme.sh and certbot installed. The solution was to remove certbot. Investigate if the directory /root/.acme.sh exists and it’s contents.

apt remove certbot
ispconfig_update.sh --force

Then in Ispconfig go to Tools -> Sync, select Web sites and the server you just removed.

Stefan Helander

Outlook IMAP sync error 0x800CCC0E after installing KB5018410 (11/10/22)

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Last wednesday, the 11th of October 2022, Microsoft released the KB5018410 update. After installing the update, Outlook that is connected to IMAP mailboxes started reporting error 0x800CCC0E.

The workaround is to uninstall the KB5018410 update:

  1. Go to the Control panel and search for update history.
  2. If KB5018410 is present as an installed update, click on Uninstall updates on top of the screen
  3. Find KB5018410 in the updates list, mark it and click on Uninstall above the list
  4. The uninstall will take several minutes and requires the computer to reboot

After uninstalling KB5018410 Outlook IMAP sync will start working again.