Symptoms
A pre-migration check shows the following warnings:
The component mod_perl is not installed on the destination server. It will be unavailable for the following domains: 'example.com'
Install that component on the destination server or make sure that none of these domains actually need the component.
The component mod_python is not installed on the destination server. It will be unavailable for the following domains: 'example.com'
Install that component on the destination server or make sure that none of these domains actually need the component.
The component python is not installed on the destination server. It will be unavailable for the following domains: 'example.com'
Install that component on the destination server or make sure that none of these domains actually need the component.
The component perl is not installed on the destination server. It will be unavailable for the following domains: 'example.com'
Install that component on the destination server or make sure that none of these domains actually need the component.
Cause
The mod_perl or/and mod_python are not installed on the destination server.
Resolution
Starting from Plesk 12.5 the mod_perl or/and mod_python are not included in Plesk.
More information is available here:
You may safely ignore this message if none of your accounts uses Perl or/and Python, otherwise, install them manually.