# Migration Guides

This section contains full end-to-end guides for both offline and online upgrades of Smile CDR. Before following one of these guides it is important to read through the [versioning](/content/docs/versions_and_upgrading/versioning.html), [upgrade concepts](/content/docs/versions_and_upgrading/upgrade_concepts.html), and [upgrade best practices](/content/docs/versions_and_upgrading/upgrade_best_practices.html) documentation sections.

Introduction

Upgrading

[Introduction](/content/docs/guide_upgrade/introduction.html)
[Example Online Upgrade](/content/docs/guide_upgrade/example_online_upgrade.html)

[Example Online Upgrade](/content/docs/guide_upgrade/example_online_upgrade.html)