In a Microsoft User Experience Virtualization (UE-V) deployment that has Customer Experience Improvement Program (CEIP) enabled, non-administrator users can't log on to the computer if they don't already have a profile on it.
Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.