This partition is managed by the operating system, and should not contain any other files, including Windows RE tools.įor Advanced Format 4K Native drives (4-KB-per-sector) drives, the minimum size is 260 MB, due to a limitation of the FAT32 file format. The minimum size of this partition is 100 MB, and must be formatted using the FAT32 file format. This partition is usually stored on the primary hard drive. On GPT drives, this is known as the EFI System Partition, or the ESP. The device must contain a system partition. Additional drives may use either the GPT or the master boot record (MBR) file format.Ī GPT drive may have up to 128 partitions.Įach partition can have a maximum of 18 exabytes (~18.8 million terabytes) of space.
When you deploy Windows to a UEFI-based device, you must format the hard drive that includes the Windows partition by using a GUID partition table (GPT) file system. If you use a custom partition layout on Windows 10 for desktop editions (Home, Pro, Enterprise, and Education), update the push-button recovery script so the recovery tools can recreate the custom partition layout when needed.
