How to configure folder name case sensitivity in Windows 7?

Via GUI:

1. Open Services for Network File System: click Start, point to Administrative Tools, and then click Services for Network File System (NFS).

2. If necessary, connect to the computer you want to manage.

3. Right-click Server for NFS, and then click Properties.

4. Click the Filename Handling tab.

5. Do one of the following:

   • To enable case-sensitive file and directory name lookups:
     Select the Enable case sensitive filename support in Server for NFS check box.
     
   • To disable case-sensitive file and directory name lookups:
     Clear the Enable case sensitive filename support in Server for NFS check box.

Via the registry:

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel

DWORD “obcaseinsensitive”

• 1 = system default - insensitive
• 0 = case sensitive

Source: Configure Case Sensitivity for File and Folder Names