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When the cookie(key 'route') expires. Then asp.net mvc 4 gives this error.

The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster, ensure that all machines are running the same version of ASP.NET Web Pages and that the configuration specifies explicit encryption and validation keys. AutoGenerate cannot be used in a cluster.

Is there any fix for this problem? Thank you!

Xuân Điền Nguyễn
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  • This issue related to machinekey. [Please check this answer.](https://stackoverflow.com/a/28210911/7687666) – Jason Pan Sep 12 '22 at 07:10
  • Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. – Community Sep 12 '22 at 14:55

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