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Windows 10 system reserved partition size
Windows 10 system reserved partition size





The MSR is used by the OS for disk management. The ESP contains the NTLDR, HAL, Boot.txt, and other files that are needed to boot the system, such as drivers. Setup in UEFI/GPT mode (for 64-bit only) creates a minimum 100MB EFI System Partition (ESP), a 128MB Microsoft Reserved Partition (MSR) and a Windows partition. If WinRE is not installed in the System Reserved partition (for example if the partition is never created because Windows is installed on a pre-partitioned drive), it is installed in %SystemDrive%\Recovery instead.ĪF 512e drives supported with some updates/hotfixes but AF 4Kn not supported. In BIOS/MBR mode it can be formatted as either FAT32 or NTFS (Setup uses NTFS). It is marked active and must not be encrypted. The System Reserved partition minimum size is 100MB, but it can be larger. The System Reserved partition contains Boot Manager (bootmgr), Boot Configuration Data (BCD) and startup files used for BDE. In early pre-RTM builds (until at least 7057) the System Reserved partition was 200MB in size. Setup in BIOS/MBR mode creates a 100MB System Reserved partition and a Windows partition. AF 512e drives supported with some updates/hotfixes but AF 4Kn not supported.Recommended WinRE partition size is around 1GB when it is installed as an expanded image.Can be combine with BitLocker Drive Encryption (BDE) partition if required. WinRE must be installed on a separate partition from the Vista System partition.Instead tools and scripts provided as part of WAIK need to be used to do this manually. The WinPE-based WinRE made its debut on the Vista DVD but there is no easy way to install it on the hard drive since no installation routine is provided for it.Setup creates only a single Windows partition in both BIOS/MBR and UEFI/GPT (for 64-bit only) modes.XP 64-bit can use GPT drives for data only. Advanced Format (AF) 512-byte emulation (512e) and 4K native (4Kn) drives not supported officially and not recommended. Only 512-byte native (512n) drives supported.The Windows Recovery Console is not part of the default installation, but can be easily added to the Windows partition where it gets installed in a directory and takes roughly 7MB of space.Setup creates only a single Windows partition.







Windows 10 system reserved partition size