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

chinmayy

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User: chinmayy
Posted: on Jan 16, 2013 12:31 AM
Forum: ASP.Net Web Forms
Answer: 1
Views: 4630

Hello sir i m facing this error and unable to resolve it, its not comming in from any part of my code, i m just clicking the links on the page and certainly get 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.

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Andrea

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User: Andrea
Replied: on Jan 16, 2013 12:31 AM
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Hi @chinmayy, Please try the following ASP.Net Error: Validation of viewstate MAC failed. It might help you. Cheers Andrea.

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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

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.

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