getting error Validation of viewstate MAC failed

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I am getting this error:

C#

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.

please tell me the solution.

Posted 13-Feb-14 22:44pm

Member 10276220

Updated 13-Feb-14 23:14pm

Sampath Lokuge

v3

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Sampath Lokuge · Answer 1 · 2014-02-13T23:13:00

Solution 1

Please check below mentioned links for more info.Good Luck ! :)

Validation of viewstate MAC failed error

"Validation of ViewState Mac failed" exception

“Validation of viewstate MAC failed.

Posted 13-Feb-14 23:13pm

Sampath Lokuge