# Migration

### In this section

* [Data Integration: migration from an earlier version to 7.3.1](https://help.qlik.com/talend/en-US/release-notes/7.3/data-integration-migration-from-earlier-version-to-7.3.1)
* [Data Quality: migration](https://help.qlik.com/talend/en-US/release-notes/7.3/data-quality-migration)
* [ESB: migration from 6.x.x to 7.3.1](https://help.qlik.com/talend/en-US/release-notes/7.3/esb-migration-from-6.x.x-to-7.3.1)
* [Talend Data Catalog: migration](https://help.qlik.com/talend/en-US/release-notes/7.3/talend-data-catalog-migration)