Thanks (mszodiac) for reaching out..
I got it sorted out after two long days of going through the system.
Really thought it was a plug and play case where the system would recognize the new 24port card and assign it, but no no no... The >>System Configuration >>Unit/Modules would allow me to update the installed card.
1. all extensions assigned to the Circuit 4 1 1 had to be removed , due to the fact that it wouldn't allow to be Busied them out (all 16).
2. run Busy on circuit 4 1 1 . >>System Configuration >>Unit/Modules >> ASU configuration then allow to change the old 16port to the 24port ons card and all smilesssssss
Well apart from creating the extensions again
Minor error gone and got tone every extension...