comprehensive upgrade of the data (including schema and display
specifiers). This attempts to do a new provision, and to then copy
existing data into that database.
+
+If you are upgrading from a more recent version, particularly alpha16
+or later, then it is better *NOT* to run upgradeprovision as the
+database format has not changed.
+
+To upgrade from BIND9 flat files to the internal database store for
+Bind 9 DLZ, use ./source4/scripting/bin/samba_upgradedns
+