Every Data Classification policy change will cause all the Business Resources to be re-indexed on the next indexing task. The assumption is that the policy remains static and unchanged after the implementation and testing phase are completed. Data Access Security provides different features to limit the scope of the indexed Business Resources to be able to test the policy changes faster, such as Scoping and Run a Specific Resource Classification task.
Enabling Optical Character Recognition
In the case of Optical Character Recognition (OCR) scanning, enabling will cause the next task to re-index the Data Classification. Disabling the OCR capability will not initiate re-indexing. This means that once files are marked as critical, you can turn off the resource intensive optical OCR process without removing this indication, until any other filtering setting is changed.