IBM System z Software Contracts

IPLA Sub-Cap Overview

This website contains the list of sub-capacity eligible System z IPLA programs. Each eligible program is grouped into one of three categories, Execution-Based, Reference-Based or z/OS-Based. The applicable type of sub-capacity terms per System z IPLA program is determined solely by IBM. Subsequent System z IPLA sub-capacity program announcements will indicate the type of sub-capacity terms, if applicable. Only one type of sub-capacity terms may apply per program.

For a complete listing of the eligible System z IPLA programs and their type of sub-capacity terms, use the tabs at the top of this page. Sub-Capacity terms on System z IPLA are only available to customers who qualify and implement Sub-Capacity for their respective MLC software and comply with all other IBM Terms and Conditions.

Sub-Capacity Eligibility

To be eligible for sub-capacity charging on select System z IPLA programs, you must first implement and comply with all terms of either sub-capacity Advanced Workload License Charges (AWLC), sub-capacity Advanced Entry Workload License Charges (AEWLC), sub-capacity Workload License Charges (WLC), sub-capacity Entry Workload License Charges (EWLC) or sub-capacity System z New Workload License Charges (zNALC). To implement sub-capacity AWLC, AEWLC, WLC, EWLC or zNALC, a machine must be System z (or equivalent). On that machine:

For that machine, you must create and submit a Sub-Capacity Report to IBM each month. Sub-Capacity Reports must be generated using the Sub-Capacity Reporting Tool (SCRT). For additional information or to obtain a copy of SCRT, visit the Sub-Capacity Reporting Tool Web site.

You must comply with all of the terms of the AWLC, AEWLC, WLC, EWLC or zNALC offering, whichever is applicable:

Additionally, you must sign and comply with the terms and conditions specified in the amendment to the IPLA contract – 'Amendment for IBM System z Programs Sub-Capacity Pricing (Z125-6929-02 or higher)'. Once the amendment is signed, the terms in the amendment replace any and all previous System z IPLA sub-capacity terms and conditions.

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IBM provides world-class IBM mainframe technology to help today's enterprises respond quickly to evolving business conditions and with extreme flexibility. From automation to advanced virtualization technologies and open industry standards, IBM mainframes help deliver competitive advantages for enterprises contributing and succeeding on a smarter planet.

Operating Systems

IBM System z supports multiple operation systems:


IBM's technology, solutions and industry expertise can help you find the competitive edge with a sharper understanding of your customers. Our System z solutions combine the foundation of IBM hardware, software and middleware with flexible financing and packaging options to help your business meet and overcome the challenges of doing business in the on demand world. IBM can help you develop a customer-centric view—and assist you in delivering the right solution and the right products.

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