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Validation of viewstate MAC failed problem! RRS feed

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  • User-79977429 posted

    Hi

    Lately, i've moved my asp.net webApp to new host provider, but some times end user facing this problem :

    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

    I didn't facing this problem ever! I also refer to this link to work around the problem, but i don't understand how to do that!

    Note 1 : I've contact with my hosting provider to give me machineKey (base on what explains in above link, but they told me the Host service is share & could not change some iis properties!)

    Note 2 : The control panel of my host is Plesk.

    Can anybody help me how to work around this problem?

    Thanks in advance

    Thursday, May 23, 2019 2:36 PM

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