Posted 06 Jun 2018
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We need to update the value of the Async Upload Configuration Encryption Key for security reasons in our organization. How do we get the new encryption key value to put in our web.config file.
The easiest way is to use the IIS Machine Key generator: https://docs.telerik.com/devtools/aspnet-ajax/general-information/images/generate-keys-iis.png. You can also use any other key generator that is suitable for .NET methods (HMACSHA256 in particular).
I also advise that you review the following section of the documentation about other keys you may need to set and to also ensure the necessary handlers are properly registered: https://docs.telerik.com/devtools/aspnet-ajax/general-information/web-config-settings-overview#mandatory-additions-to-the-webconfig.