No; ISA SE MMC cannot manage an EE array. Neither can ISA EE manage an SE server. From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Younes MELLAL Sent: Monday, February 11, 2008 2:52 AM To: isalist@xxxxxxxxxxxxx Subject: [isalist] isa 2004 standard and enterprise edition compatibility Hello everyone,, I would like your help regarding some questions about the supporting of different versions of ISA; we manage multiple ISA severs 2004 standard editions they are grouped with identical configurations as ISA entreprise edition can manage numberous ISA via one GUI are there any limitations with supporting different versions of ISA? and can I setup mutliple sets of managed ISA severs each with differents configuration (i.e internet, intranet , DMZ etc..)? would I require separate server to run the enterprise edition or is it simply installed on a client workstation? thank you in advance