Validation of viewstate MAC failed

Discussion in 'General troubleshooting' started by OlgaE, Apr 23, 2011.

  1. OlgaE

    OlgaE

    Sometimes I receive the following 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.
    What could it be?
     
    OlgaE, Apr 23, 2011
    #1
  2. CrystalCMS

    CrystalCMS Joe

    CrystalCMS, Apr 23, 2011
    #2

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