Check the error and access.log of your web server, maybe you will find some additional details on why you get a 403 error when LE tries to...
This is the main repository for additional PHP versions on Ubuntu, not only by ISPConfig, but in general, there is no alternative. Try again in a...
The installer does not need such a flag, as it does not perform this check. And your output shows that LE itself fails, not the ISPCofig installer...
Better use the IPv4 address. If you have a single server setup, then these are the same; on multiserver setups, they can differ. Also, there are...
Yes, the old system is not altered in any way. No, the Migration script does not alter anything on the old system. The migration tool does not...
Have you checked if your Nginx listens on port 443 at all? Maybe you have no SSL-enabled website or you use a different port?
Ok, and the cron.sh in root crontab is called once a minute?
No, it's a server-wide setting. You might have to create nd manage your mail server certificate manually then. @remkoh mentioned it in several...
There is likely nothing wrong, just backups run from 0:00 until then. Or in other words, lost to back up or slow backup storage.
Custom server templates go to: /usr/local/ispconfig/server/conf-custom/ Custom install templates go to:...
ISPConfig changes config files only when this is required to make a service work. If it's not required, like it is here the case, it uses the...
Try to set WEB_URL and SITE_ADDRESS to: https://test04.[domain].net Also refarding proxy directives, you can find many posts here in the forum...
As mentioned by @remkoh , we use the defaults of the operating system and the packages you are using. You might want to contact its maintainer and...
Does the domain point to the server? Challenge failed typically means the domain is not pointing to this server in DNS.
This whole issue is not related to the migration you did, nor to the Migration Tool. The Migration Tool does not alter your network and DNS...
Separate names with a comma.
