Symptoms
Plesk fails with error:
The site_isolation_config.ini file is broken or absent, the default configuration file will be used.
Cause
Absent or broken file /usr/local/psa/admin/conf/site_isolation_settings.ini or %plesk_dir%adminconfsite_isolation_settings.ini
Resolution
For Linux
-
Connect to the server via SSH
-
Backup the broken file
/usr/local/psa/admin/conf/site_isolation_settings.ini.# cp /usr/local/psa/admin/conf/site_isolation_settings.ini{,.orig}
-
Create the file
site_isolation_settings.ini in/usr/local/psa/admin/conf/` as below:# cp /usr/local/psa/admin/conf/site_isolation_settings.ini.default /usr/local/psa/admin/conf/site_isolation_settings.ini
For Windows
- Connect to the server via RDP
- Backup
%plesk_dir%admin/conf/site_isolation_settings.iniby changing the name. - Copy
%plesk_dir%admin/conf/site_isolation_settings.sample, paste it and change the name tosite_isolation_settings.ini