Machinekey Validationkey In Web.config Guide
$decryptionKey = [System.Web.Security.MachineKey]::GenerateKey(32) $validationKey = [System.Web.Security.MachineKey]::GenerateKey(64) Write-Host "Decryption Key: $decryptionKey" Write-Host "Validation Key: $validationKey" Paste the generated keys into your web.config inside the <system.web> section:
Check your production web.config right now. If you don’t see a <machineKey> section and you have more than one server, you are living dangerously. Have you been burned by missing machineKey errors? Share your war story in the comments below! machinekey validationkey in web.config