When you create a case, analytics is not enabled by default. The reason for this is that you may need to provision and control the SQL Server resources that are necessary for analytics, and these may not be immediately available. After you enable a case for analytics, case items including content, attachments, and item metadata such as subject, recipients and other attributes, are fetched into the customer database. If you have already built analytics rules for a case before you enable it, the automatic categorization of items begins soon after collection starts.
Before you enable a case for analytics, note the following:
To enable a case for analytics
Initially, the case's status changes to "Enabling analytics" while the collection of data is prepared. Subsequently, the status changes to "Analytics enabled" and the collection and indexing of data and the automatic categorization of items begin.