Invalid ViewState - General Support

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Invalid ViewState

2/24/2010 2:29 PM

epinci

Joined: 7/6/2009

Posts: 17

Invalid ViewState

I'm getting a bunch of these but I don't have any real connections to what is causing them.
Any chance the stack dump sounds familiar o descriptive enough?

2010-02-25 00:19:28,950 [8] ERROR BugNET.Global [(null)] - Application Error

System.Web.HttpException: Invalid viewstate.

at System.Web.UI.Page.DecryptStringWithIV(String s, IVType ivType)

at System.Web.UI.Page.DecryptString(String s)

at System.Web.Handlers.ScriptResourceHandler.DecryptParameter(NameValueCollection queryString)

at System.Web.Handlers.ScriptResourceHandler.ProcessRequestInternal(HttpResponse response, NameValueCollection queryString, VirtualFileReader fileReader)

at System.Web.Handlers.ScriptResourceHandler.ProcessRequest(HttpContext context)

at System.Web.Handlers.ScriptResourceHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext context)

at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()

at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Thank you.

3/6/2010 7:44 AM

theikell

Joined: 3/2/2010

Posts: 7

Re: Invalid ViewState

I've seen this when running load balanced web servers that do not have identical machine keys. If you have load balanced servers make sure your servers or at least your sites have identical machine keys.

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