Hello Experts

I have small doubt in ISA 2006 ,  How to change the OWA Login format to UPN in ISA 2006

Hi,

In TMG, we need to change the HTML pages(C:\Program Files\Microsoft Forefront Threat Management Gateway\Templates\CookieAuthTemplates\Exchange\HTML on TMG Server). You could try this method in the ISA to see if it works.

Change OWA Logon Page in TMG

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Best Regards,

Joyce