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Is there a way I can remove the need for users to enter domain\username from externally hosted OWA? I know I can configure FBA internally but the site is published using basic auth via a TMG
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Is there a way I can remove the need for users to enter domain\username from externally hosted OWA? I know I can configure FBA internally but the site is published using basic auth via a TMG

OWA (external) domain prefix removal

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Forefront, formerly known as Internet Security and Acceleration Server (ISA Server), is a network router, firewall, antivirus program, VPN server and web cache that runs on Windows servers. It includes identity management and protection systems, and discontinued systems for threat management and network protection, along with protection for Sharepoint and Exchange. The scope of discussions includes forward and reverse proxy, application and service publishing, virtual private networks (VPNs), outbound access rules, SSL certificates and network routing within either a single node or an highly-available array pairing.