Posted on: 6/4/2012 9:28:53 AM | Views : 193

Hai,
           Iam Getting this error in my WebPage.
"Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster."
          Can anyone pls tell me what is this error and how to solve this?Thanks in Advance

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