Directory pruning interval
Description

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.

Registry Information
Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: Software\Policies\Microsoft\Windows NT\Printers
Configuration Options
Interval:
Value Name: PruningInterval
Type: REG_DWORD
Dropdown options:
0 = 0 - Continuous
10 = 10 - 10 Minutes
30 = 30 - 30 Minutes
60 = 60 - 1 Hour
240 = 240 - 4 Hours
480 = 480 - 8 Hours
720 = 720 - 12 Hours
1440 = 1440 - 1 Day
2880 = 2880 - 2 Days
4320 = 4320 - 3 Days
5760 = 5760 - 4 Days
7200 = 7200 - 5 Days
8640 = 8640 - 6 Days
10080 = 10080 - 1 Week
20160 = 20160 - 2 Weeks
30240 = 30240 - 3 Weeks
40320 = 40320 - 4 Weeks
50400 = 50400 - 5 Weeks
60480 = 60480 - 6 Weeks
70560 = 70560 - 7 Weeks
4294967295 = 4294967295 - Infinite
Policy Information
Policy Name: PruningInterval
ADMX File: Printing2.admx
Supported On: At least Windows 2000
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