YOU MUST USE BASIC. That is a requirement. Thomas W Shinder, M.D. Site: www.isaserver.org Blog: http://blogs.isaserver.org/shinder/ Book: http://tinyurl.com/3xqb7 MVP -- Microsoft Firewalls (ISA) > -----Original Message----- > From: isapros-bounce@xxxxxxxxxxxxx > [mailto:isapros-bounce@xxxxxxxxxxxxx] On Behalf Of Amy Babinchak > Sent: Wednesday, September 05, 2007 6:15 PM > To: isapros@xxxxxxxxxxxxx > Subject: [isapros] RPC Question > > I'm working on an ISA 2006 machine with an Exchange 2003 server behind > it to publish Outlook Anywhere. I used the wizard to create > the rule. If > I select Basic Authentication (on both ISA and IIS) the > publishing rule > works. If I use NTLM (on ISA and IIS) it doesn't. I get ISA > Denied logs > reason 12239. Does it not support NTLM authentication? > > Since this works with Basic I know I don't have certificate > issues and I > know it can authenticate usernames, passwords and find its way to the > mailbox. > > Amy > > > > >