The Offline Database Support option allows Provisioning Servers to use a snapshot of the Provisioning Services database if the connection to the database is lost.
When offline database support is enabled on the farm, a snapshot of the database is created and initialized at server startup. It is then continually updated by the Stream Process. If the database becomes unavailable, the Stream Process uses the snapshot to get information about the Provisioning Server and the target devices available to the server; this allows Provisioning Servers and target devices to remain operational. However, when the database is offline, Provisioning Services management functions and the Console become unavailable.
When the database
connection becomes available, the Stream Process synchronizes any Provisioning
Server or target device status changes made to the snapshot, back to the