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My application uses Forms authentication to log users into the site with their Active Directory credentials. We just switched servers for the app and now they are logged out about once a day. It doesn't appear to be a browser issue (affects all browsers, even after clearing cache and cookies). How do I fix this in IIS7?

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It's probably AppPool recycling. Turn it off. This post shows you where you can change it.

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Well, I wouldn't turn it off, I would set it to do once a day off-hours, if you have off-hours. – mfinni Nov 16 '10 at 15:00

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