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Hello,

I have developped a webapplication and I keep on getting this error:

Source: System.Web
Method name: LoadPageStateFromPersistenceMedium
Message: The viewstate is invalid for this page and might be
corrupted.
StackTrace: at System.Web.UI.Page.LoadPageStateFromPersistenceMed ium()
at System.Web.UI.Page.LoadPageViewState() at
System.Web.UI.Page.ProcessRequestMain()

I've searched the groups but I can't find the solution.

I have only one webserver (so no webfarm) and EnableViewStateMac is
turned off for all of the pages.

Has somebody an idea what the problem could be? Could this be a
firewall or security problem?

Kind Regards,

Jelle Huygen

You will need to review this
http://support.microsoft.com/default...b;en-us;829743

which involves installing this

http://support.microsoft.com/default.aspx?kbid=831150

in order to get extra info. To get that you will need to creat e a support
case

http://support.microsoft.com/default...incidentsubmit

Andy Mortimer [MS]
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