The guys at the Ask the Directory Services Team blog have just published the list of latest Directory Services related hotfixes ( see http://blogs.technet.com/b/askds/archive/2010/10/18/new-directory-services-content-10-10-10-16.aspx ). For your convenience I have put in a direct link and a short description for the two Group Policy related hotfixes. KB2379592 – "Object reference not set to an instance of an object" error message…