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Invalid_Viewstate

Posted on 2009-05-05
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Last Modified: 2012-06-27
we have 3 different physical servers(Windows 2000 SP4) and running throu loadbalancer. Now we are trying to add 3 more server to the web farm.
we getting the following error message across all the servers
System.Web.HttpException : Invalid_Viewstate
      Client IP: 74.129.1.13
      Port: 2913
      User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 4.0)
      ViewState: dDwzOTA4ODc5NDQ7O2w8YnRucHJvZHVjdFJlcG9ydEhlbHA7YnRuRmluZFByb2R1Y3Q7Pj4k3GRYhNOtET0wNJmstDjOFAV3pw==
      Http-Referer: http://csdv5.tsl/CSDUserInterface/RetrieveLocationId.aspx
      Path: /CSDUserInterface/Home.aspx. : System.Web :  
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Question by:Jeyakumar_mcp
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Expert Comment

by:Rainverse
ID: 24304618
Add a specific machine key to the machine.config...
http://support.microsoft.com/default.aspx?scid=kb;en-us;555353&sd=rss&spid=6351
-MJC
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by:Jeyakumar_mcp
ID: 24305123
I have tried with specific machine key. No joy. Is there anything that we can do apart from this to resolve the problem?
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Accepted Solution

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Jeyakumar_mcp earned 0 total points
ID: 24525550
Latest SP for .net framework 1.0 was not installed on one of the server. It resolved the problem.
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