If enabled the search indexer backoff feature will be disabled. Indexing will continue at full speed even when system activity is high. If disabled backoff logic will be used to throttle back indexing activity when system activity is high. Default is disabled.
* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.