Symptoms
Migration script hangs on performing "configure_db.pl":
[27m 12s] [INFO] [Migration] DB not configured yet, do it
The server locale is different from en_US.UTF-8.
Cause
The bug with id #PBA-52210 ("Migration hangs in case of non-english locale"), expected to be fixed in PBA 5.4.17.
Resolution
Until an update is available, change the server locale to en_US.UTF-8.
# cat /etc/sysconfig/i18n
LANG="en_US.UTF-8"