Jerry,

Here is a link that helps describe what you might need to do to fix this:

http://support.microsoft.com/default.aspx?scid=kb;en-us;323744


>I am creating a simple hello world ASP.Net application that works on my Dev web server.
>
>My production web servers are on a web farm. When I copy my .Aspx, .Dll and web.config to all the different web servers on the farm, my .Aspx page initally displays fine, but when I press a button on my web page, I get this eror returned on my browser:
>
>"The View State is invalid for this page and might be corrupted.".
>
>What do I have to do differently for a ASP.Net application to run on my web farm?
>
>Thanks,
>
>Jerry