Symptoms
In Plesk > Tools & Settings > Performance Booster > example.com the following notification is displayed under the Switch to modern PHP version option:
Following permissions are not allowed in the subscription, or service plan:
PHP version and handler management
Cause
Insufficient permissions on the subscription/service plan level. PHP version and handler management should be allowed to enable the feature.
Resolution
Note: If the server is running with the Plesk Web Admin license edition, refer to the 'via CLI (On the Subscription level)' section
- Log into Plesk.
- To adjust permissions:
On the Service Plan level:
- Navigate to Service Plans > service_plan_name > Permissions tab.
- Enable the option PHP version and handler management:
- Click on the Update & Sync button to apply changes for all the subscriptions under the selected service plan.
Note: Changes will not be applied for the Locked subscriptions
On a Subscription level:
Warning: After applying changes on the subscription level, the subscription will be locked from the synchronization with its service plan
- Navigate to Subscriptions > example.com.
- On the right navigation pane click on the Customize link:
- Switch to the Permissions tab.
- Enable the PHP version and handler management permission:
- Click on the Update & Lock button to apply changes.
via CLI
- Connect to the server via SSH/RDP.
- Additional step for Plesk on Windows: start a Command Prompt as Administrator.
- To adjust permissions:
-
On the Service Plan level:
# plesk bin service_plan -u "Default Simple" -manage_php_version true
Note: Change
Default Simplein the command above with the name of the required service planNote: Changes will not be applied for the Locked subscriptions
-
On the Subscription level:
# plesk bin subscription_settings --update example.com -manage_php_version true
Warning: After applying changes on the subscription level, the subscription will be locked from the synchronization with its service plan