Sitecore supports two topology i.e XP0 and XP1. XP0-- All roles in a single instance XP1- Scaled architecture where each role has its own instance. How to update license in XP0 Architecture so whenever we need to update license please update license into following folders: Webapp /App_Data/license.xml XConnect Webapp App_data/license.xml /App_data/jobs/continuous/IndexWorker/App_data/license.xml App_data/jobs/continuous/AutomationEngine/App_Data/license.xml How to update license in XP1 Architecture so whenever we need to update license please update license into following folders: CD, CM, MA-REP, PRC, REP, XC-Collect, XC-RefData /App_Data/license.xml MA-OPs /App_data/license.xml /App_data/jobs/continuous/AutomationEngine/App_Data/license.xml XC-Search /App_data/license.xml /App_data/jobs/continuous/IndexWorker/App_data/license.xml