IKEv2 Connection Failure in Windows 10 May 2019 Update, Version 1903
publication date : Jul.24, 2019
Due to the bug in the Windows May 2019 Update (1903) which is the latest version, we confirmed that the screen to enter your ID and password for IKEv2 ID/password connection is not displayed.
We have published its workarounds the link below.
If you cannot connect IKEv2 in Windows 10, please refer to it.