JSI Tip 0203 - How do I convert to NTFS during an unattended install?

Make a backup copy of the I386\SYSTEM32\INITIAL.INF on your HardDrive.
Edit I386\SYSTEM32\INITIAL.INF and locate the set Convert_Winnt = $($1)
in the SetAcls section and change it to set Convert_Winnt = YES.