How long does Active Roles retain the Change History and User Activity information? Is there any way to modify this value?
By default, the Management History is configured to store information from the last 30 days.
It is possible to configure the maximum number of records stored in Management History by modifying the properties of the Change Tracking Log Configuration object.
This can be done in the Active Roles console. This setting is located in the Configuration | Server Configuration container (see the attached screenshot).
The following options are available: