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Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/ )Description of the Microsoft Windows registry
In Systems Management Server (SMS), all collections are refreshed (known as a "collection resync") by default every seven days. This schedule is different from the individual collection update schedule that can be specified in the SMS Administrator Console.
A collection resync sends the collection properties and rules for all collections to all primary child sites, and then refreshes the collection membership for all collections, to make sure there is consistency between the rules and collection membership. It also sends the collection properties and membership list for all collections to all secondary sites.
With SMS Service Pack 2, this interval is configurable in the following registry value:
HKEY_LOCAL_MACHINE\Software\Microsoft\SMS\Components\SMS_Collection_Evaluator\Collection Resync Frequency (number of days)
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
In a hierarchy with several collections and several child sites, the resyncs may not be desirable during the work week as they could create a backlog for the Replication Manager, the Scheduler and the Sender.