FIX : "The View State Is Invalid for this Page and Might Be Corrupted" Error Message in ASP.NET

Any application that does not statically define a <machineKey/> section will receive this exception when running on a web farm.

You can read the following Microsoft article for more information. Scenario #1 is the cause.

You may also read the MaximumASP KB article that provides more explanation, and ways to generate the machineKey for your applications.

Article ID: 638, Created On: 6/15/2009, Modified: 8/14/2009

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