---
title: "ZSA - Mainframe and z/OS compatibility"
slug: "mainframe-and-zos-compatibility"
updated: 2025-07-08T12:33:59Z
published: 2025-07-08T12:33:59Z
canonical: "docs.zetaly.io/mainframe-and-zos-compatibility"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zetaly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# ZSA - Mainframe and z/OS compatibility

> [!CAUTION]
> ZSA 6.4 End of Life annoncement
> 
> ZSA 6.4 will reach the end of its life by the end of 2025. Contact support to plan your ZSA migration.

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171);width:120px;height:22px;box-sizing:border-box;"><div class="x_elementToProof" style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;font-optical-sizing:inherit;font-size-adjust:inherit;font-kerning:inherit;font-feature-settings:inherit;font-variation-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(0, 0, 0);"><strong>V7.0</strong></div></td><td style="white-space:normal !important;border-width:1px;border-style:solid;border-color:rgb(171, 171, 171);width:120px;height:22px;box-sizing:border-box;"><div class="x_elementToProof" style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Calibri, Helvetica, sans-serif, serif, 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EmojiFont;font-optical-sizing:inherit;font-size-adjust:inherit;font-kerning:inherit;font-feature-settings:inherit;font-variation-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(0, 0, 0);">✓</div></td><td style="white-space:normal !important;border-width:1px;border-style:solid;border-color:rgb(171, 171, 171);width:120px;height:22px;box-sizing:border-box;"><div class="x_elementToProof" style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;font-optical-sizing:inherit;font-size-adjust:inherit;font-kerning:inherit;font-feature-settings:inherit;font-variation-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(0, 0, 0);">✓</div></td></tr><tr><td style="white-space:normal !important;border-width:1px;border-style:solid;border-color:rgb(171, 171, 171);width:120px;height:22px;box-sizing:border-box;"><div class="x_elementToProof" style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;font-optical-sizing:inherit;font-size-adjust:inherit;font-kerning:inherit;font-feature-settings:inherit;font-variation-settings:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(0, 0, 0);">z15</div></td><td style="white-space:normal !important;border-width:1px;border-style:solid;border-color:rgb(171, 171, 171);width:120px;height:22px;box-sizing:border-box;"><div class="x_elementToProof" style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Calibri, Helvetica, sans-serif, serif, 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| **z/OS** | **V7.0** | **V6.4** |
| --- | --- | --- |
| 3.1 | ✓ | ✓ |
| 2.5 | ✓ | ✓ |
| 2.4 | ✓ | ✓ |
| 2.3 | ✓ | ✓ |