Thanks Blink .....
..... but I get an error in the console "This account is currently not available"
The changes I made in the original post where from the "Official" RedHat security guide ......
Section 4.4.2 Table 4.1 ..... States that the changes will deactivate among others su / ssh /sftp as root - however sudo would still function. (According to the above document)
But sudo doesn't seem to accept the password needed to run a command (I have typed the password into a new console to check (as plain text) keymap settings / caps lock / num lock settings .... and if functions perfectly)
Kinda weird ...... anybody else had a similar experience?