Knowledgebase

Validation of viewstate MAC failed



To solve this you need to add a machinekey in web.config file

To generate a machine key please use the link below

http://developmentnow.com/asp-net-machinekey-generator/


To Generate a Unique Decryption Key for Each Application please use the link below

https://technet.microsoft.com/en-us/library/cc771837(v=ws.10).aspx


  • 1 Users Found This Useful

Was this answer helpful?

Related Articles

Troubleshooting ASP.NET site

In most cases the error should display on the screen.However if it does not you can enable error...

Publish a .NET Core site on Plesk

Below are the recommended steps to upload your website on our Plesk servers for .NET Core...

User not local; please try a different path. when trying to send through your form on plesk

User not local; please try a different path. The server response was: Sender address is not valid...

Do your windows shared hosting accounts support MVC4 and MCV5?

Only our Plesk Windows Shared Hosting accounts support MVC4 and MCV5 applications. When you...

How do I enable detailed error messages in the web.config of my website?

Detailed Errors allows for debugging errors in your websites code. Without detailed errors...