ASP.Net Error: Validation of viewstate MAC failed

chetan
 
on Jun 25, 2018 12:47 AM
2877 Views
Answered

i an 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."

I am getting login.after few minutes,when i click on logout,it throws the above error..How to pvercome with this?

Download FREE API for Word, Excel and PDF in ASP.Net: Download
pandeyism
 
on Jun 25, 2018 02:27 AM
Answer

Hi chetan,

Please take reference the below link.

ASP.Net Error: Validation of viewstate MAC failed.

chetan
 
on Jun 25, 2018 03:39 AM

1.I used the <machineKey> Generator Tool to generate a machine key.

The above link not working to generate machine key.

chetan
 
on Jun 25, 2018 06:22 AM
Answer

This helped me to overcome with that issue:

 

1.Open IIS------>MachineKey----->Generate keys
2.Include the generated validation key and decryption key into the web.config.

Disclaimer
This site is started with intent to serve the ASP.Net Community by providing forums (question-answer) site where people can help each other. The content posted here is free for public and is the content of its poster. The site does not provide any warranties for the posted content. If you feel any content is violating any terms please contact.
© 2023 www.aspsnippets.com All rights reserved | Privacy Policy | Powered by Excelasoft Solutions Excelasoft Solutions