When I try to delete a domain user using User Manager or rpcclient it happens, that it calls the script from "delete user script = ", which removes the user from /etc/passwd by userdel command. After that it fails to remove that user from passdb.tdb . With NT_STATUS_CANNOT_DELETE error code. However, everything is fine, except annoying error message, but right now I am using "at" to schedule the removal after 1 min., rather than do it immediately in the script.
this should be fixed in 3.0.11 (or an earlier release).
sorry for the same, cleaning up the database to prevent unecessary reopens of bugs.