Value Name: AllowWindowsInkWorkspace Value Type: REG_DWORD Value data: 1
Fix
Disable the convenience PIN sign-in.
For GPO-managed systems:
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Ink Workspace >> Set "Allow Windows Ink Workspace" to "Enabled and set Options On, but disallow access above lock".
For Intune-managed systems:
Set the Windows Ink Workspace Policy to disallow access above lock.