Hello,
I used the tool "Migration & Transfer manager " for moving all Plesk's sites to a new server.
The result is "complete with warning"
and the message is
Warning:hosting "
Stderr is
[2015-07-27 22:21:57] ERR [util_exec] proc_close() failed
[2015-07-27 22:22:02] ERR [panel] Apache config...