Configuration Manager updates the membership of the current collection on a schedule if the membership of the excluded collection changes.For more information about the exclude collection rule, see How to Create Collections in Configuration Manager.The machines in a machine catalog are the Xen App or Xen Desktop workers, also referred to as session machines.For Provisioning Services and Machine Creation Services (MCS), machine catalogs include the VMs for the master images and the machine clones.The Connector agent handles application and software update installation by coordinating with the Configuration Manager idle policy feature.The Connector agent also orchestrates deployments for Server OS machines that are managed by Provisioning Services or manually.Configuration Manager updates the membership of the current collection on a schedule if the membership of the included collection changes.For more information about the include collection rule, see How to Create Collections in Configuration Manager. Collections Rule The exclude collections rule lets you exclude the members of another collection from a Configuration Manager collection.
Depending on the provisioning technology used, the master image can also be used to create a machine to host applications and desktops.
In sccm 2012 my device collection(all system) is not updating properly.
At a minimum it must be longer than the heartbeat frequency of the clients.
Configuration Manager must discover the resources or you must import the resources before you can add them to a direct rule collection.
Direct rule collections have a higher administrative overhead than query rule collections because you must modify this collection type manually.
The time can be changed, and you can also run a report for clients that have not checked in in a long time and manually delete them, or use a powershell script to do this as well.