Hi,
In my application all pages are working fine, only two pages are giving the following error. I found in google that including
<pages validateRequest="false" enableEventValidation="false" viewStateEncryptionMode ="Never" />
will solve the issue. But still i am getting the same error. It is happening only in specifc environment.
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.
Thanks
Abdul
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