The license key file named 'AgileDotNet.Licensing.PrivateKey.bin' can be found at the Agile.NET application path. The file contains a public/private key pair that is used to encrypt and sign each license created using RSA public key encryption, thus helps preventing an unauthorized user from tampering with the license.
System.Object
   Exception
      LicenseManagerException
         LicenseKeyNotFoundException
Namespace: AgileDotNet.Licensing
Assembly: AgileDotNet.Licensing (in AgileDotNet.Licensing.dll)
LicenseKeyNotFoundException Members | AgileDotNet.Licensing Namespace