Symptoms
When this issue occurs, the "Or, try entering a passcode on it" link in the Enter the passcode for your keyboard dialog box does not seem to be clickable in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.
Resolution
To resolve this issue, install the December 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
See the terminology that Microsoft uses to describe software updates.
