Getting Index is not found with Sitecore 9.0.2. Solution Since 8.2, Sitecore introduced concepts of Azure Roles and added below tag to configuration files which tells Azure to read configuration from respective roles. <sitecore role:require="Standalone or ContentManagement or ContentDelivery" search:require="Azure"> If you are adding any custom configurations to Azure, please add above settings with correct role where you are deploying that patch.