"System reserved" partition in Windows 10 is of any use?

Discussion in 'Windows 10' started by windows123, Feb 27, 2020.

  1. windows123

    windows123 MDL Junior Member

    Dec 16, 2013
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  2. TechnoMojo

    TechnoMojo MDL Novice

    Feb 26, 2020
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    Like Windows 7, Windows 10 creates a system reserved partition and it does not have a drive letter. This is necessary if you use BitLocker. You can remove it otherwise, but it is not advised by anyone once your system is built. The system does store two important things in this partition, so I would leave it.
    The System Reserved partition contains two important things:
    • The Boot Manager and Boot Configuration Data: When your computer starts, the Windows Boot Manager reads the boot data from the Boot Configuration Data (BCD) Store. Your computer starts the boot loader off of the System Reserved partition, which in turn starts Windows from your system drive.

    • The startup files used for BitLocker Drive Encryption: If you ever decide to encrypt your drive with BitLocker, the System Reserved partition contains the necessary files for starting your computer. Your computer boots the unencrypted System Reserved partition, and then decrypts the main encrypted drive and starts the encrypted Windows system.

    There is a way to prevent the system reserve from being created with a new build.
     
  3. spedia

    spedia MDL Senior Member

    Jul 13, 2009
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    The MSR is just 16MB in Windows 10 compared to 128 in Win 7. Annoying but less of an impact.
     
  4. itsmemario1

    itsmemario1 MDL Expert

    Sep 10, 2012
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    But...why ?
     
  5. LittlePro

    LittlePro MDL Senior Member

    Jan 19, 2017
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    #5 LittlePro, Feb 28, 2020
    Last edited: Feb 28, 2020
    1.Please don't confuse System Reserved Partition ( active partition in MBR ) with MSR ( in GPT ).
    Is the disk partition scheme MBR or GPT ?

    2.You may be wanting to remove System Reserved Partition in MBR & there are steps, but why ?

    Thanks. ...
     
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