By default, the ControlPoint Full Discovery process runs on all site collections within your SharePoint farm. ControlPoint Application Administrations can, however, exclude site collections whose url contains a specified text string from both the nightly Full Discovery process and any manual Discovery that is run on the entire farm. (Administrators still have the option of running a Partial Discovery on these site collections, either as-needed or on a one-time or recurring schedule).
Remember that data in analyses run from cache can only be reported up to the date of the last Discovery
To exclude site collections that contain a particular text string from the Full Discovery process, enter the string as the Value for the ControlPoint Setting Site Collections to Exclude from Full Discovery. Enter multiple text strings as a comma-separated list.
CAUTION: If any part of a site collection's url contains the text string you specified, it will be excluded from Full Discovery. Use caution in selecting strings to be sure you do not exclude more than you intend. For example, the excluded string of "Test" would exclude "My Test Site Collection" but would also exclude "Product Testing."