Experience Platform rolesVersion: 9.1 Application roles xConnect Collection service xConnect Collection Search service xConnect Search Indexer Marketing Automation Engine Marketing Automation Operations service Marketing Automation Reporting service xDB Processing xDB Reporting Reference Data service EXM Dispatch Sitecore Cortex™ Processing Engine Sitecore Cortex™ Table Storage service Sitecore Cortex™ Blob Storage service Sitecore Cortex™ Reporting service Universal Tracker Collection service Universal Tracker Processing service Storage roles xDB Collection database xDB Processing Pools database xDB Processing Tasks database xDB Reference Data database xDB Reporting database Marketing Automation database EXM database Message Bus Sitecore Cortex™ Processing Storage Sitecore Cortex™ Processing Tasks database Universal Tracker database Indexes xDB index FXM Master index FXM Web index Master Marketing Assets index Web Marketing Assets index Master Marketing Definitions index Web Marketing Definitions index Suggested Test index Testing index