ISA Administrative Roles - NTFS and Registry Permissionshttp://blogs.technet.com/isablog/archive/2008/09/08/isa-administrative-roles-ntfs-and-registry-permissions.aspxI want to provide a little bit more detail regarding the Discretionary Access Control Lists ( DACLs) used by ISA Server. These ensure that the ISA installation and logging folders are configured with the proper NTFS security permissions required by ISAen-USCommunityServer 2.1 SP1 (Build: 61025.2)