All IBM OS Models

Every one of the 18 IBM OS models listed below is eligible for third-party maintenance at 40-70% below OEM contract pricing, including models past their end-of-service-life dates. This page covers models 1–18; each link opens the model's support page with EOSL details and a quote form.

• AIX 6.1 TL9 (EOSL: Apr 30, 2017)
• AIX 7.1 Enterprise Edition (EOSL: Apr 30, 2021)
• AIX 7.1 TL0 (EOSL: Nov 30, 2013)
• AIX 7.1 TL1 (EOSL: Oct 31, 2014)
• AIX 7.1 TL2 (EOSL: Nov 30, 2015)
• AIX 7.1 TL3 (EOSL: Nov 30, 2017)
• AIX 7.1 TL4 (EOSL: Dec 31, 2019)
• AIX 7.1 TL5 (EOSL: Apr 30, 2023)
• AIX 7.2 Enterprise Edition (EOSL: Apr 30, 2021)
• AIX 7.2 TL0 (EOSL: Dec 31, 2018)
• AIX 7.2 TL1 (EOSL: Nov 30, 2019)
• AIX 7.2 TL2 (EOSL: Oct 31, 2020)
• AIX 7.2 TL3 (EOSL: Sep 30, 2021)
• AIX 7.2 TL4 (EOSL: Nov 30, 2022)
• AIX 7.3 TL0 (EOSL: Dec 31, 2024)
• AIX 7.3 TL1 (EOSL: Dec 31, 2025)
• AIX 7.3 TL2 (EOSL: Nov 30, 2026)
• AIX 7.3 TL3 (EOSL: Dec 31, 2027)