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Validation of viewstate MAC failed
Shiva A
Oct 4 2016 3:30 AM
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i used this line <machineKey validationKey=....> in web config for this error
"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. "
But Again same error is repeating after 2 days.
Any one give suggestion
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