Forum Discussion
Windows ADK for Windows 10, version 1703 is now available for download
Windows ADK for Windows 10, version 1703 is now available for download https://developer.microsoft.com/en-us/windows/hardware/windows-assessment-deployment-kit
Here is some more information on the issue: https://social.msdn.microsoft.com/Forums/en-US/1fa43cc7-a82d-4dd3-8d28-f76fe2d7593e/hardware-development-kits-for-windows-10-version-1703-april-2017?forum=wdk
Some more information and potential work arounds in this blog post for Configuration Manager users: https://blogs.technet.microsoft.com/configurationmgr/2017/04/14/known-issue-with-the-windows-adk-for-windows-10-version-1703/