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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Adxstudio - Validation...
Microsoft Dynamics CRM (Archived)

Adxstudio - Validation of viewstate MAC failed

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Posted on by Community Member

Hi,

Our customer is currently getting 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.

Screen-Shot.jpg

Could you please advise.

Thanks,

Matthew J

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I have the same question (0)
  • Community Member Profile Picture
    Community Member on at

    Hi, I am getting the same error.  Did you ever fix the issue?  If so, how?  We are hosting on Azure, if that makes a difference.

  • Community Member Profile Picture
    Community Member on at

    I'm getting the same error. None of the fixes posted around the web have any result.

  • Community Member Profile Picture
    Community Member on at

    Hi Gabe, if you haven't seen it already, I found the fix after this post:

    community.dynamics.com/.../231900

    Code changes to the ADX application were required (link in the above post's replies).  This fixed my issue which was caused by posting forms when not authenticated.

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