Directory pruning interval

Specifies how often the pruning service on a domain controller contacts computers to verify that their printers are operational. The pruning service periodically contacts computers that have published printers. If a computer does not respond to the contact message (optionally after repeated attempts) the pruning service “prunes” (deletes from Active Directory) printer objects the computer has published. By default the pruning service contacts computers every eight hours and allows two repeated contact attempts before deleting printers from Active Directory. If you enable this setting you can change the interval between contact attempts. If you do not configure or disable this setting the default values will be used. Note: This setting is used only on domain controllers.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Windows NT -> Printers # PruningInterval

  2. The Administrative Template path is:



* 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.
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