Sometimes when I saved a drawing that is already in the vault under a new name the file does not get added to the vault automatically. I have to go to the folder and "use the File > "Add to Vault" option to add the drawing to the vault. This only happens on drawings and not part/assembly. I use the "Save as" option to do this. I would then open the part/assembly from the new drawing by right click and "open" then do a "Save as" on the part/assembly using the same name as the new drawing so the new assembly and new drawing are in sync.
Is there a better way to do this or is there a reason why the drawing does not get added to the vault?