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I have a customer running Small Business Server 2011. When I tried to change the send as permissions in exchange 2010 it allows me to change it but after a short while it reverts to its original setting.
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I have a customer running Small Business Server 2011. When I tried to change the send as permissions in exchange 2010 it allows me to change it but after a short while it reverts to its original setting.

Exchange 2010 loses Send As Permission after a time

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

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.