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Automated Sign-on for Mainframe

Automated Sign-on for Mainframe enables an end user to automatically log on to a host application on a z/OS mainframe by using a terminal emulation client.

Automated Sign-On for Mainframe is an add-on to Host Access Management and Security Server (MSS) and requires a separate license.


Automated Sign-on for Mainframe enables users to automatically — and securely — log on to IBM 3270 applications without the need for eight-character passwords.

To implement Automated Sign-On for Mainframe, configurations are required on:

  • Management and Security Server (MSS) — to secure connections, create and assign automated sign-on sessions

  • the terminal emulation client — to create a logon macro and configure the client

  • z/OS — to support PassTickets