Error after hosting related to MAC fail

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Hello

after hosting a asp.net website when i nevigate from one page to another then following error occured.

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.

what should I do?

Posted 29-May-16 3:33am

Kishor-KW

Updated 9-Jun-16 17:44pm

F-ES Sitecore

v2

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F-ES Sitecore 29-May-16 11:42am

Have you googled the error and tried any of the suggestions?

Kornfeld Eliyahu Peter 29-May-16 13:21pm

Contact the hosting company!

Homero Rivera 29-May-16 20:34pm

You have functionality that is dependant on ASP.Net Session, like identifying a cookie.

If you have low cost ASP.Net hosting, this will never end... Your application will rotate servers and won't be able to follow up on user identification.

You can rent a whole server for yourself to host your application and you wouldn't be facing this problem.

Other approach is to create identification functionality that is not dependant on ASP.Net Sessions, like storing tokens in database on server and client side through hidden fields. Then to identify users you need to send the tokens to the server and consult the database to take actions on the server side.

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madhav_jain · Answer 1 · 2016-05-29T20:01:00

Solution 1

try EnableViewStateMac=flase at the Page level

ASP.NET

<%@ Page EnableViewStateMac="false" %>

Posted 29-May-16 20:01pm

madhav_jain

AdamASPGeek · Answer 2 · 2016-06-09T17:44:00

Solution 2

Hi there,

The solution is just add this line on your web.config fil,e

<pages enableeventvalidation="false" viewstateencryptionmode="Never" />

Above line should be included within section.

Posted 9-Jun-16 17:44pm

AdamASPGeek