+The only remaining errors should be errors creating system:foo groups,
+be cause they already exist. These generally mean that that group has
+an odd user on it (root instance, IP acl, etc.) and can safely be
+ignored.
+
+Errors of the form:
+Error while creating dcctdw:foo: Badly formed name (group prefix doesn't match owner?)
+are probably an indication that a user with personal groups had a
+username change (in the past they have also meant that a user with
+personal groups was deactivated and the uid was re-used (this was
+becasue we didn't trim the prdb.extra.sort file in the past.))
+Assuming htese errors are due to a username change, the groups should
+be renamed, and you should regenerate prdb.extra.trimmed starting with
+a fresh prdb from aggy. (You may want to abort and
+rm /moira/afs/noafs and try again later.)
+