just migrating from SCCM 2007 to 2012 R2 earlier all advertisement done via AD security group (just add machine into respective group) software will get install now if we same AD security group in SCCM 2012 it's necessary to take any precaution? or else if machine having CM 2007 client it will connect to SCCM 2007 for advertisement similarly if machine having SCCM 2012 client will connect 2012 server for deployment this method works for package & application deployment?
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