# Illinois BidBuy #27-448DOIT-INFOT-B-53920

Illinois DoIT Mainframe License Capacity Upgrade and Maintenance (Z16 to Z17 Migration)

**Posted:** September 28, 2026
**Respond By:** October 14, 2026
**Identifier:** 27-448DOIT-INFOT-B-53920
**NAICS:** 541512, 541513

The Illinois Department of Innovation and Technology (DoIT) is seeking to increase its mainframe license capacity and associated maintenance as part of a migration from IBM Z16 to IBM Z17 mainframe systems.
- Government Buyer:
  - Illinois Department of Innovation and Technology (DoIT)
  - Operations in Springfield and Chicago, Illinois
- OEMs and Vendors:
  - No specific OEMs or vendors named in the notice, but context indicates IBM as the mainframe OEM
- Products/Services Requested:
  - Upgrade of licensed mainframe capacity from 424 MSUs to 680 MSUs
  - Maintenance and support services for the increased mainframe license capacity
- Unique or Notable Requirements:
  - Migration from IBM Z16 to IBM Z17 mainframe
  - Change order amends original sole source procurement
  - Maintenance fee covers the new capacity for the specified term
  - Classification code: 92045 (Software Maintenance and Support Services)
- Attachments:
  - Change order justification form
  - Change order notice document

### Description

This is a change order notice to amend the original sole source procurement for a migration from the Z16 mainframe to the Z17 mainframe. It involves upgrading licensed capacity from 424 MSUs to 680 MSUs starting November 1, 2026, and includes a maintenance fee for the licensed capacity for the period from November 1, 2026, to March 31, 2027. The change order is issued by the Department of Innovation and Technology in Illinois.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-448DOIT-INFOT-B-53920&external=true&parentUrl=close)