Computer/User Node :
MACHINE
Policy Path :
Administrative
Templates\System\Group Policy
Supported on :
At least Microsoft Windows 2000
Help/Explain Text :
Specifies how
often Group Policy is updated on domain controllers while they are running (in
the background). The updates specified by this setting occur in addition to
updates performed when the system starts. By default, Group Policy on the
domain controllers is updated every five minutes. You can specify an update
rate from 0 to 64,800 minutes (45 days). If you select 0 minutes, the domain
controller tries to update Group Policy every 7 seconds. However, because
updates might interfere with users' work and increase network traffic, very
short update intervals are not appropriate for most installations. If you
disable this setting, the domain controller updates Group Policy every 5
minutes (the default). To specify that Group Policies for users should never be
updated while the computer is in use, select the Turn off background refresh of
Group Policy setting. This setting also lets you specify how much the actual
update interval varies. To prevent domain controllers with the same update
interval from requesting updates simultaneously, the system varies the update
interval for each controller by a random number of minutes. The number you type
in the random time box sets the upper limit for the range of variance. For
example, if you type 30 minutes, the system selects a variance of 0 to 30
minutes. Typing a large number establishes a broad range and makes it less
likely that update requests overlap. However, updates might be delayed
significantly. Note: This setting is used only when you are establishing policy
for a domain, site, organizational unit (OU), or customized group. If you are
establishing policy for a local computer only, the system ignores this setting.
Registry Settings :
HKLM\Software\Policies\Microsoft\Windows\System!GroupPolicyRefreshTimeDC,
HKLM\Software\Policies\Microsoft\Windows\System!GroupPolicyRefreshTimeOffsetDC
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