This can be accomplished by changing the user's transfer option to MULT.
These are the steps to achieve it:
- Select session TPXADMIN (self-maintenance) from the TPX menu
- Select TPX User Options (Panelid - TEN0128)
- Press PF8
- Enter MULT on field Transfer Option
- Press PF3 twice
- Log off TPX
- Log on to TPX various times (as needed) using the same userID.