Consider Windows Integrated Authentication on both Exchange 2003 and Exchange 2010 OWA Vdirs as a solution, otherwise, yes, you'll get double prompts.
On 4 Oct 2012, at 17:48, "Al Rose" <arose...@gmail.com> wrote: > SSO is enabled but i am more concerned about internal users actually, > they will connect to a CAS server that will then redirect to the 2003 > Front End Servers which will have Basic Auth set. > > On 10/4/12, Steve Goodman <st...@stevieg.org> wrote: >> If you publish the rules for your legacy URL for Exchange 2003 through TMG >> and using the same listener, enable SSO for the domain, they shouldn't get >> promoted for authentication twice as they'll have already authenticated with >> TMG for Exchange 2010. >> >> Steve >> >> On 4 Oct 2012, at 16:57, "Al Rose" >> <arose...@gmail.com<mailto:arose...@gmail.com>> wrote: >> >> Hello, >> >> Last time i tested a coexistence scenario i had to make sure that FBA was >> enabled on the 2003 Front-End Servers so users wont have to authenticate >> twice to go to OWA. >> >> Now i am reading TMG publishing for Exchange 2010 white paper and they are >> advising to enable FBA on the TMG listener for all published Exchange 2010 >> services (Active Sync, Autodiscover, OWA, OA) and 2003 Legacy access too. >> This means i would have to set Basic Authentication for all CAS servers. >> So how do i do for Legacy users if the Front-End Server is set to Basic Auth >> and not FBA that means that my 2003 users will have to authenticate >> twice... >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to >> listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com> >> with the body: unsubscribe exchangelist >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to listmana...@lyris.sunbeltsoftware.com >> with the body: unsubscribe exchangelist > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe exchangelist > --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist
