Page History
...
When you update audit settings to audit privileged user activities, these changes are not applied until the SQL trace is refreshed. The SQL trace is refreshed when the SQL Compliance Manager Agent sends the trace files to the Collection Server. To ensure an immediate application of your new audit settings, click Update Audit Settings Now on the Agent menu.
Available actions
Add
Allows you to select one or more privileged users to audit. You can select privileged users by login name or by membership to a fixed server role.
...