The nt_upgrade command upgrades any d3 dataset with current changes. It first runs a pre-upgrade routine, then the upgrade, and finally a nt_postupgrade procedure. All D3 processes must be logged off.
The nt_upgrade procedure can only be run from the ’dm’ account after a D3 service pack installation. The upgrade script is imported into the dm’s master dictionary by entering the following:
copy dos:. nt_upgrade (o to:(md