About this guide

This guide describes how to upgrade to API Gateway version 7.6.2 from earlier API Gateway versions.

• Upgrading or installing API Gateway or API Manager on Windows is not supported.
• This guide does not describe how to upgrade API Portal. For more information on upgrading API Portal, see the API Portal Installation and Upgrade Guide.
• This guide describes how to upgrade a classic deployment only. It does not describe how to upgrade a container deployment. For information on migrating your upgraded classic deployment to a container deployment, see the API Gateway Container Deployment Guide.

Who should read this guide

The intended audience for this guide is system engineers who are responsible for installing, configuring, and maintaining API Gateway.

Before upgrading API Gateway you should have an understanding of API Gateway concepts and features. For more information, see the API Gateway Concepts Guide.

How to use this guide

This guide should be used in conjunction with the other guides in the API Management documentation set.

Before you begin installing API Gateway, review this guide thoroughly. The following is a brief description of the contents of each section:

• Upgrade and migration overview – Provides an overview of the upgrade process.
• Compare upgrades from 7.3.x or 7.4.x with upgrades from 7.5.x or 7.6.x – Compares upgrades from 7.3.x or 7.4.x with upgrades from 7.5.x or 7.6.x.
• Upgrade from API Gateway 7.3.x or 7.4.x – Describes prerequisites for upgrade, upgrade steps for single-node and multi-node domains, and steps that you must perform after upgrade.
• Upgrade from API Gateway 7.5.x or 7.6.x – Describes prerequisites for upgrade, upgrade steps for single-node and multi-node domains, and steps that you must perform after upgrade.
• Upgrade API Gateway Analytics – Describes how to upgrade API Gateway Analytics and the metrics database used for monitoring with API Gateway Analytics.
• Upgrade your metrics database for API Manager – Describes how to upgrade the metrics database used for monitoring with API Manager or third-party tools.
• Resolve upgrade issues in Policy Studio – Describes how to use Policy Studio to resolve upgrade issues.
• sysupgrade command reference – Provides detailed reference information on upgrade commands.
• sysupgrade error reference – Provides detailed reference information on all upgrade errors and warnings.
• Frequently asked questions – Provides answers to frequently asked questions about upgrade.
• Troubleshoot an upgrade – Provides advice on troubleshooting each step in the API Gateway upgrade process.

Related topics

Related documentation