Hi guys i want to know what changes has been made in delta dicovery in sccm 2012.dipankar

Hi, The most important change is that it now can detect changes to ad objects like computer group membership changes during the delta discovery so you will have a greatly improved experience when using AD groups to target for instance computer groups with your deployments. The following examples are described on technet: New computers or users added to Active Directory Changes to basic computer and user informationNew computers or users that are added to a groupComputers or users that are removed from a groupChanges to System group objects for more information: http://technet.microsoft.com/en-us/library/gg712308.aspx#BKMK_DeltaDiscovery Regards, Jrgen -- My System Center blog ccmexec.com -- Twitter @ccmexec