Windows Server 2016 Core Setup

Setting up a test environment with Windows 2016 Core. 

This is on a Hyper-V host and using the current Windows 2016 ISO to install.  

After the installation, going to login on the command line on the server and it says that the administrator password has to be changed prior to logging in. It then presents two lines: 

New Password: 

Confirm Password: 

I know that I can use Down arrow to go between them.  

I am not using the Number Keypad, only the numbers above the letters on the keyboard. 

I have typed several times, various passwords in length and complexity from 6 characters to 12.  I keep getting that the password does not conform to complexity, length, or history and it will not change.  

Yes, I know the 4 types: UPPER, lower, numbers, and special characters.  Used it all and in various combos.  Still nothing helps. 

This is the first time with Core, so any help on this would be appreciated.