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Unable to validate data Error

When setting the Web Gardens to 3 and I start browsing one of my
asp.net page I get the following error shown below. I don't get the
error when I set the Web Gardens to 1. Please note that I'm using
Windows 2003 Server with .Net Framework 1.1 SP1.
[HttpException (0x80004005): Unable to validate data.]
System.Web.Configuration.MachineKey.GetDecodedData (Byte[] buf,
Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) +195
System.Web.UI.LosFormatter.Deserialize(String input) +60
[HttpException (0x80004005): Authentication of viewstate failed. 1) If

this is a cluster, edit <machineKey> 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.UI.LosFormatter.Deserialize(String input) +118
System.Web.UI.Page.LoadPageStateFromPersistenceMed ium() +101
[HttpException (0x80004005): Invalid_Viewstate
Client IP:
Port: 2899
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows
NT 5.2; SV1;
..NET CLR 1.1.4322)
dDwxODI4MTczODIwO3Q8O2w8aTwxPjs+O2w8dDw7bDxpPDU+O2 k8OT47aTwxMz47aTwzNz47aTw*zOT47PjtsPHQ8cDxwPGw8VGV 4dDs+O2w8V2ViUnVmdXMyOTA7Pj47Pjs7Pjt0PHA8cDxsPFRle H*Q7PjtsPEFjdGl2ZTs+Pjs+Ozs+O3Q8cDxwPGw8VGV4dDs+O2 w8Qm55ZS5SdWZ1cy5HVFMuV0VCU*lVGVVNfQU1fQ29udGFpbmV yOz4+Oz47Oz47dDxwPHA8bDxUZXh0Oz47bDxsb2NhbGhvc3Q7P j47*Pjs7Pjt0PEAwPHA8cDxsPFBhZ2VDb3VudDtfIUl0ZW1Db3 VudDtfIURhdGFTb3VyY2VJdGVtQ29*1bnQ7RGF0YUtleXM7Pjt sPGk8MT47aTwyPjtpPDI+O2w8MjkwO1xlOz47Pj47PjtAMDxAM DxwPG*w8VmlzaWJsZTs+O2w8bzx0Pjs+Pjs7Ozs+Ozs7Ozs7Oz 47Ozs7Ozs7Ozs+O2w8aTwwPjs+O2w8d*Dw7bDxpPDE+O2k8Mj4 7PjtsPHQ8O2w8aTwyPjtpPDM+O2k8ND47aTw1PjtpPDY+Oz47b Dx0PDts*PGk8MT47PjtsPHQ8cDxwPGw8VGV4dDs+O2w8MjkwOz 4+Oz47Oz47Pj47dDw7bDxpPDE+Oz47bDx*0PHA8cDxsPFRleHQ 7PjtsPHdoZXh0ZGIwMDAwMTs+Pjs+Ozs+Oz4+O3Q8O2w8aTwxP js+O2w8dD*xwPHA8bDxUZXh0Oz47bDxBY3RpdmU7Pj47Pjs7Pj s+Pjt0PDtsPGk8MT47PjtsPHQ8cDxwPGw8V*GV4dDs+O2w8Z3R zdXNlcjs+Pjs+Ozs+Oz4+O3Q8O2w8aTwxPjs+O2w8dDxwPHA8b DxUZXh0Oz47*bDwqKioqKioqOz4+Oz47Oz47Pj47Pj47dDw7bD xpPDI+O2k8Mz47aTw0PjtpPDU+O2k8Nj47Pjt*sPHQ8O2w8aTw xPjs+O2w8dDxwPHA8bDxUZXh0Oz47bDxcZTs+Pjs+Ozs+Oz4+O 3Q8O2w8aTwxPj*s+O2w8dDxwPHA8bDxUZXh0Oz47bDxcZTs+Pj s+Ozs+Oz4+O3Q8O2w8aTwxPjs+O2w8dDxwPHA8b*DxUZXh0Oz4 7bDxcZTs+Pjs+Ozs+Oz4+O3Q8O2w8aTwxPjs+O2w8dDxwPHA8b DxUZXh0Oz47bDxc*ZTs+Pjs+Ozs+Oz4+O3Q8O2w8aTwxPjs+O2 w8dDxwPHA8bDxUZXh0Oz47bDxcZTs+Pjs+Ozs+Oz4*+Oz4+Oz4 +Oz4+Oz4+Oz4+Oz5c1fUfQAZG7ofel3PgjoPz9O7wGw==

Path: /gtsmonitor/PoolDetails.aspx.]
System.Web.UI.Page.LoadPageStateFromPersistenceMed ium() +447
System.Web.UI.Page.LoadPageViewState() +18
System.Web.UI.Page.ProcessRequestMain() +447

Nov 25 '05 #1
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