upgrade 17.5.3 to 17.8.11

Hi All, I have just upgraded Plesk 17.5.3 to 17.8.11. Everything went smoothly, but I have received a few warnings: which: no unrar in (/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin) Trying to install sftp-server binary into chroot environment... cp: cannot stat...

While upgrading, I received the following messages: Leaving 'diversion of /usr/lib/apache2/modules/mod_proxy.so to /usr/lib/apache2/modules/mod_proxy.so.orig by libapache2-mod-proxy-psa' Leaving 'diversion of /usr/lib/apache2/modules/mod_proxy_fcgi.so to...

We've run the CLI 17.5.3 > 17.8.11 upgrade process a couple of times, which went quite well, but we're still on 17.5.3 when posting this thread. There were some issues (shown below) the biggest being that sw-cp-server won't run after the upgrade. We run a cloud server, so if there's impactive...

Hi, today i just tried to run the upgrade from 17.5.3 to 18.8.11 Stable over the Webgui. The Plesk pre-upgrade check stops with following warning: Plesk pre-upgrade check WARNING: The PAM configuration is in inconsistent state. If you proceed with the installation, the required PAM modules...