How to solve this error [Resolved]

Posted by Ujjal under ASP.NET on 2/29/2012 | Points: 10 | Views : 2994 | Status : [Member] | Replies : 12

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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.

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Posted by: Akiii on: 2/29/2012 [Member] Bronze | Points: 50

0	try this site: http://www.a2zmenu.com/Blogs/AspNet/Validation-of-viewstate-MAC-failed.aspx It has two option, either you generate the machinekey or you write enableViewStateMac="false" at the page level, not in the configuration level ! Regards Akiii Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Blessyjees on: 2/29/2012 [Member] Bronze | Points: 25

0	Hi, Not clear your request. Are you specified the error message? Blessy Baby Digitalmesh Softech pvt Ltd https://blessybaby.wordpress.com/ Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Akiii on: 2/29/2012 [Member] Bronze | Points: 25

0	Hi, try this site :- http://weblogs.asp.net/albertpascual/archive/2008/08/11/fixing-the-validation-of-viewstate-mac-failed-error-issue.aspx Thanks and Regards Akiii Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Ujjal on: 2/29/2012 [Member] Starter | Points: 25

0	yes that was the error message that i got. Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Ujjal on: 2/29/2012 [Member] Starter | Points: 25

0	Thnx Akiii 4 ur reply but with viewStateEncryptionMode="Never" mode it will be a big security issue. Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Akiii on: 2/29/2012 [Member] Bronze | Points: 25

0	you want to encrypt the viewstate mode then ? Akiii Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Ujjal on: 2/29/2012 [Member] Starter | Points: 25

0	Yes that will works fine then.can you share how to implement this one ? Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Akiii on: 2/29/2012 [Member] Bronze | Points: 25

0	Check this following resources:- http://aspnetresources.com/articles/ViewState http://devpinoy.org/blogs/keithrull/archive/2010/05/04/how-to-encrypt-the-viewstate-in-asp-net.aspx http://www.dotnetfunda.com/codes/code895-how-to-encrypt-the-viewstate.aspx Thanks and Regards Akiii Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Ujjal on: 2/29/2012 [Member] Starter | Points: 25

0	Ok akiii let me implement after dat i'll infm u. Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Ujjal on: 2/29/2012 [Member] Starter | Points: 25

0	Thanks the project is working fine now. Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Akiii on: 2/29/2012 [Member] Bronze | Points: 25

0	good, mark this post as an answer if you problem is solved ! Regards Akiii Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Akiii on: 2/29/2012 [Member] Bronze | Points: 25

0	Thanks Ujjal Regards Akiii Ujjal, if this helps please login to Mark As Answer. \| Alert Moderator

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