Hi all,

Please Help us Soon

We have project in 1.1 framework and server Window server 2003 service pack 2.
After updating Framework 1.1 with Service pack 1 we have trouble of Session.
After login into Site, Session is getting cleared very soon . So site is giving Crash

Following is Error Details

System.Web.HttpUnhandledException: Exception of type System.Web.HttpUnhandledException was thrown. ---> System.Web.HttpException: Invalid_Viewstate Client IP: 24.254.0.88 Port: 2389 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6 ViewState: dDwxNDk0MjYyMTkwO3Q8O2w8aTwwPjs+O2w8dDw7bDxpPDA+Oz 47bDx0PHA8cDxsPHRoZXF1ZXJ5c3RyaW5nO2N1cnJlbnRwYWdl bnVtYmVyO29yZGVyYnlGaWVsZDtzcmNUYWJsZTtsYXN0cGFnZT ttYXhyZWNvcmRzO3RoZXF1ZXJ5c3RyaW5nZm9ycmVwb3J0O1Bh Z2luYXRpb25SZXBvcnROYW1lOz47bDxzZWxlY3QgcGxheWVyLn VzZXJpZCxmaXJzdG5hbWUsbGFzdG5hbWUsdXNlcm5hbWUsZW1h aWwsY2l0eSxzY29yZXMucGxheWVyaWQscGxheWVyLnVzZXJuYW 1lLHNjb3Jlcy5ldmVudGlkIGZyb20gcGxheWVyIGlubmVyIGpv aW4gc2NvcmVzIG9uIHBsYXllci51c2VyaWQ9c2NvcmVzLnBsYX llcmlkIGlubmVyIGpvaW4gcG9rZXJldmVudHMgb24gc2NvcmVz LmV2ZW50aWQ9cG9rZXJldmVudHMuZXZlbnRpZCB3aGVyZSAgcG 9rZXJldmVudHMudGF2ZXJuaWQ9Nzk0ICBncm91cCBieSBwbGF5 ZXIudXNlcmlkIDtpPDc+O2xhc3RuYW1lIGFzYztwbGF5ZXI7aT wxMz47aTwyMD47XGU7UmVwb3J0Lnhsczs+Pjs+O2w8aTwwPjtp PDE+O2k8Mj47aTwzPjtpPDQ+O2k8NT47aTw2Pjs+O2w8dDxwPH A8bDxUZXh0O1Zpc2libGU7PjtsPEZpcnN0IFBhZ2U7bzx0Pjs+ Pjs+Ozs+O3Q8cDxwPGw8VGV4dDtWaXNpYmxlOz47bDxQcmV2O2 88dD47Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7Q3NzQ2xhc3M7XyFT Qjs+O2w8NjtcZTtpPDI+Oz4+Oz47Oz47dDxwPHA8bDxUZXh0O0 Nzc0NsYXNzO18hU0I7PjtsPDc7Y3VycmVudHBhZ2U7aTwyPjs+ Pjs+Ozs+O3Q8cDxwPGw8VGV4dDtDc3NDbGFzcztfIVNCOz47bD w4O1xlO2k8Mj47Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7Q3NzQ2xh c3M7XyFTQjs+O2w8OTtcZTtpPDI+Oz4+Oz47Oz47dDxwPHA8bD xUZXh0O0Nzc0NsYXNzO18hU0I7PjtsPDEwO1xlO2k8Mj47Pj47 Pjs7Pjs+Pjs+Pjs+Pjs+PBQSfQCOpBK29TCc9KznWq9GE4w= Http-Referer: http://www.worldtavernpoker.com/play...ayerVal=played Path: /playerlistedforaddition.aspx. ---> System.Web.HttpException: Authentication of viewstate failed. 1) If this is a cluster, edit configuration so all servers use the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. 2) Viewstate can only be posted back to the same page. 3) The viewstate for this page might be corrupted. ---> System.Web.HttpException: Unable to validate data. at System.Web.Configuration.MachineKey.GetDecodedData (Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) at System.Web.UI.LosFormatter.Deserialize(String input) --- End of inner exception stack trace --- at System.Web.UI.LosFormatter.Deserialize(String input) at System.Web.UI.Page.LoadPageStateFromPersistenceMed ium() --- End of inner exception stack trace --- at System.Web.UI.Page.LoadPageStateFromPersistenceMed ium() at System.Web.UI.Page.LoadPageViewState() at System.Web.UI.Page.ProcessRequestMain() --- End of inner exception stack trace --- at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain() at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequest(HttpContext context) at System.Web.CallHandlerExecutionStep.System.Web.Htt pApplication+IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean& completedSynchronously)


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