Symptoms
When using the Transfer Tool, the following warning is reported:
Description
This warning is reported when the cPanel version on the source server is older than the cPanel version on the destination server.
Workaround
Update cPanel on the source server to the same version on the destination server.
How do I update the cPanel & WHM software on my server?
If it is not possible to update cPanel on the source server, proceed with performing the transfer.