Manage service tools user ID

This article describes how to manage service tool user IDs using DST, SST, and iSeries™ Navigator.

Service tools are used to configure, manage, and service your server. Service tools can be accessed from dedicated service tools (DST) or system service tools (SST). Service tools user IDs are required to access DST, SST, and to use iSeries Navigator functions for logical partition (LPAR) management and disk unit management. DST is available when the Licensed Internal Code has been started, even if i5/OS™ has not been loaded. SST is available from i5/OS. The following table outlines the basic differences between DST and SST.
Characteristic DST SST
How to access Physical access through console during a manual IPL or by selecting option 21 on the control panel. Access through interactive job with the ability to sign on with QSRV or the following authorizations:
  • Authorized to STRSST (Start SST) CL command.
  • Service special authority (*SERVICE) or all object special authority (*ALLOBJ).
  • Functional privilege to use SST.
When available Available even when the server has limited capabilities. i5/OS is not required to access DST. Available when i5/OS has been started. i5/OS is required to access SST.
How to authenticate Requires service tools user ID and password. Requires service tools user ID and password.
See the iSeries Information Center > Security > Service tools for information about using the Service tools to perform the following tasks: