Prerequisites

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# Prerequisites

This document describes the prerequisites that apply when you install a Natural Web I/O Interface server on a mainframe computer.

The following topics are covered:

- General Prerequisites for Web I/O Interface Server Installation

- Prerequisites for the Web I/O Interface Server for z/OS

## General Prerequisites for Web I/O Interface Server Installation

The following general prerequisites apply:

- The currently applicable version of Natural for Mainframes must be installed.

- The International Components for Unicode for Software AG (ICS) must be installed with the Web I/O Interface server; see International Components for Unicode for Software AG in the Unicode and Code Page Support documentation.

Note
For further information, refer to the products and versions specified under Software AG Product Versions Supported by Natural in the current Natural Release Notes.

## Prerequisites for the Web I/O Interface Server for z/OS

In addition to the general prerequisites described above, the following operating-system-specific prerequisites apply:

- z/OS must be installed.

- To prevent the formation of endless loops in user programs running under the Web I/O Interface, specify a reasonable value for Natural profile parameter `MT` (maximum CPU time).

### On this page

- General Prerequisites for Web I/O Interface Server Installation
- Prerequisites for the Web I/O Interface Server for z/OS