DOS FDISK program sees NTFS partitions as HPFS

ID: Q150315

The information in this article applies to:

Microsoft Windows NT operating system version 3.1
Microsoft Windows NT Advanced Server
Microsoft Windows NT Workstation versions 3.5, 3.51
Microsoft Windows NT Server versions 3.5, 3.51
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server

SUMMARY

The FDISK program from MS-DOS 6.22 can remove Windows NT file system (NTFS) partitions on hard disk drives. However it, identifies these partitions as HPFS.

MORE INFORMATION

This misidentification is due to the method in which file systems are reported to the system. The System Identifier Byte in the partition table for both NTFS and HPFS is 0x07. This indicates an Installable File System (IFS) type. Both HPFS and NTFS are installable file systems.

Additional query words: FDISK NTFS HPFS

Keywords : nthowto ntfilesys
Version : :; WINDOWS:2000; winnt:3.5,3.51
Platform : WINDOWS winnt
Issue type :