Validation of viewstate MAC failed

Oct 4 2016 3:30 AM

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

Answers (1)

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