Can I delete the system reserved partition from 100MB

Anonymous
2009-06-06T22:02:00+00:00

Is there a possibility to install windows 7 (clean install) without making a extra (hidden) partition "system reserved" from 100mb?

or how can I delete this partition after install ?

Why is it for?

I have the meaning that this slows down my hard drive a little ? 

thanks

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Anonymous
2009-06-11T15:08:03+00:00

Hi Johan G,

Thanks for posting to Getting Ready for Windows 7 .

The 100MB partition is a system partition and contains boot files. Disk Manager will not allow you to remove this partition because removing this partition could cause the system to not boot.

Thanks for posting your question to Getting Ready for Winodws 7 community group.

Regards,

Debbie

Microsoft Answers Support Engineer

Visit our Microsoft Answers Feedback Forumand let us know what you think.

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Anonymous
2009-06-06T22:56:08+00:00

Thanks anyway,

i wil try a install with an different harddisk.

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  1. Anonymous
    2010-04-15T03:22:13+00:00

    Hi Cosmin as previously stated by BurrWalnut this partion can be avoided and not everyone is having it installed, so how can it be that "important".  If it is only used by BitLocker then I don't want it either.  I do agree 100MB is really a drop in the ocean but I also don't want another partition that I don't need.  So how do I get rid of it? 

    I use Norton Ghost 15.0 for backing up my computer and if I had a HD failure I would just restore from the backup to a clean drive.  Does anyone know what will happen if I don't have a copy of this 100mb partition?

     Will I be able to boot or not?

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  2. Anonymous
    2010-04-11T00:12:56+00:00

    Ok, seriously. If someone asks how to remove a partition, the answer is NOT you shouldn't want to. Obviously there's a need or they wouldn't be asking.

    Also, this isn't a disk space issue.  It never was a disk space issue.  No one cares that the partition is taking up 100MB of disk space.  Aside from the issues this can cause for enterprise level deployment, needlessly using up primary partitions causes a problem for dual boot configurations.

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  3. Anonymous
    2010-04-06T21:24:22+00:00

    The only thing that I know about it for sure:

    1. W7 will only make the 100MB partition when I had more than 1 HD installed (don't know about if drive has multiple partitions).
    2. According to information that could be found, the 100MB has the boot manager and Bitlocker data.
    3. The 100MB partition is not needed in a single HD system using W7 HP for the boot manager (again, don't know about multiple partitions or other W7 versions).
    4. The 100MB partition will be put on the first IDE HD W7 finds (have only 1 IDE, so don't know what it does if more IDE HDs are installed, or if multiple partitions).
    5. I'm using W7 HP and Bitlocker is not supposed to be available, so don't need the partition for it, or why it was still being made in RTM.
    6. The IDE HD W7 kept installing the 100MB partition to was not my boot drive (one of my 2 SATA drives is set as boot). Even when I disabled the IDE drive in BIOS, W7 still made the 100MB partition on it. Since it was not my boot drive, W7 failed to start because BIOS could not "find" the boot data. If I set my IDE to be the boot drive, then it would work fine. I had even reformatted the drive making it non-bootable and W7 still used it.

    During RC I reported the problem of W7 writing the boot manager to a HD other than the system boot drive. As far as I was able to determine, the 100MB partition is written the the #1 drive listed by the BIOS regardless if it is a bootable drive or not, and disregarding the BIOS HD boot order. This is why I said the user needs to have the option of allowing this partition to be made, and if so, on what drive it is written to.

    All I can say to this flaw is: WTF?

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