Disable User Logins
Use this procedure to disable user logins for a PPM product.
To disable user logins:
In the Navigation pane, select SECURITY > System.
The System form displays with the AUTHENTICATION tab selected by default.
Select the LOGINS tab.
On the LOGINS tab, select the PPM product sub-tab you want to update.
On the selected PPM product sub-tab, select the Disable User Logins option.
When you are done, click Save.