hello everyone
i have seen some error in my sql server logs. hear is
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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. at System.Web.UI.ViewStateException.ThrowMacValidationError(Except
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i have two web servers and one sql server. for load balancing i have used dns round-robin.
in iis server i have manually created machinKey and submit sam in two servers but the log still exist
please suggest what to do.