Migrating Talend Data Catalog 7.1.2 to 7.3 installed with an external database - 7.3

Talend Data Catalog Installation and Upgrade Guide

Talend Big Data Platform
Talend Data Fabric
Talend Data Management Platform
Talend Data Services Platform
Talend MDM Platform
Talend Real-Time Big Data Platform
Talend Data Catalog
Installation and Upgrade

Before you begin

  • You have downloaded the latest Talend Data Catalog 7.1.2 cumulative patch.
  • You have downloaded Talend Data Catalog 7.3.
  • You have downloaded the latest Talend Data Catalog 7.3 cumulative patch.


  1. Apply the latest Talend Data Catalog 7.1.2 cumulative patch and make sure your Talend Data Catalog 7.1.2 is running fine.
    For more information, see Applying a patch manually.
  2. Make sure the regularly scheduled database maintenance has run successfully.
  3. Stop Talend Data Catalog application server and the database server.
  4. Back up your database instance.
  5. Back up your Talend Data Catalog software by renaming the <TDC_HOME> directory as <TDC_HOME>.old.
  6. Install Talend Data Catalog 7.3 in a new <TDC_HOME> directory.
  7. Apply the latest Talend Data Catalog 7.3 cumulative patch.
  8. Restore your database on the new database server.
  9. Restore your data and setup customizations performed in Talend Data Catalog version 7.1.2 by copying the appropriate files and directories from <TDC_HOME>.old to <TDC_HOME>.
    For more information, see Before upgrading.
    Note: If you have customized some files such as conf\resources\MM.properties, you must merge these customizations starting from the new version of that file copied from <TDC_HOME>\conf\Template.
  10. Copy any new version of files from <TDC_HOME>\conf\Template into their matching directories in <TDC_HOME>\conf\ to integrate new or updated software features in your configuration.
    For example, ModelBridgeList.xml can contain some new or updated bridges.
    Note: Any upgrade must also be followed by a re-import of models, and re-build of the configurations to take advantage of the new capabilities.
    Note: Upgrading to a new version may also have version specific issues or recommendations. For more information, see Version specific upgrade issues and recommendations.


You are now ready to configure the database connection using the Setup.bat file.

For more information about the installation and configuration procedures, see Installing Talend Data Catalog .