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Windows 7: System Reserved Partition


24 Jul 2009   #1

Windows 7 Ultimate x64
 
 
System Reserved Partition

Hello,

I intall Windows 7 RTM on 2 computers. On the first the installation process is normal ... it intalls like Vista.

But, at the secound computer the installation process have created a new partition, the name is System Reserved and the size is 100MB.

Why in the first PC the System Reserved partition wasn't created?

My System SpecsSystem Spec
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24 Jul 2009   #2

 

I want to know also, but I have not really researched this phenomenon. The reserved partition has something to do with BitLocker AFAIK. I encountered this belief here at SF.

This partiton is, or contains, the "Trusted Platform Module Security Device" on those boards that don't have one of the two chips. I'm guessing and guessing is not allowed.
My System SpecsSystem Spec
24 Jul 2009   #3

7264x64/7260x86
 
 

If you create the partitions during installation it will create that system partition. If you create the partitions from another OS it will not.

That's what I noticed during my 892 build installations.
My System SpecsSystem Spec
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24 Jul 2009   #4

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

7 will create a 100 mb System, Active partition during installation if there is not already an active partition present.

If there is an already an Active partition, it will use that as the System partition - presumably in case you already have an o/s installed.
My System SpecsSystem Spec
24 Jul 2009   #5

Windows 7 Ultimate x64
 
 

Okay.

Thanks.
My System SpecsSystem Spec
23 Oct 2010   #6

Windows 7 Ultimate x64
 
 

SIW2 one question if i format the system reserved partition how i can reinstall the boot?

Is because i installed windows xp for test and i think xp install some files there, then i want format the boot partition for leave it like new.
My System SpecsSystem Spec
23 Oct 2010   #7
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello aub7, welcome to Seven Forums!



Before we make any specific recommendations will you please post a snip/screen-shot of the entire disk management drive map with a full description as to which drive/partition is which, so we can see what you have going on as there may be a fairly simple way to resolve the situation.

In the Windows start menu right click computer and click manage, in the left pane of the "Computer Management" window that opens click disk management and post a snip of that.

How to Upload and Post a Screenshot and File in Seven Forums


Be sure to post back with any further questions you may have and to keep us informed.
My System SpecsSystem Spec
23 Oct 2010   #8

Windows 7 Ultimate x64
 
 

hello bare, thanks for responding here I left a screenshot of my partitions, the last three partitions are partitions of ubuntu.
Well want to know how I can reinstall the boot, because now I had a problem making a backup of the system and it gave me the error 0x81000033 after some research it appears that the problem was that the partition of 100mb lacked space for a temporary file using the backup windows, giving the solution was to delete the USN journal file system recovery, but not work for me, then I realized it was because of windows xp, surely, as installed in a extended partition, but used as partition C: to boot the system recovery partition so that Windows XP creates some files to booting in system recovery including a pagefile.sys that weighs 40 mb, I deleted that file and then I could make the backup

So I think it would be very useful to know to format that partition and re-create the files in case that is filled with garbage.

thanks.


Attached Thumbnails
System Reserved Partition-captura.png  
My System SpecsSystem Spec
23 Oct 2010   #9
Microsoft MVP

 

There are two approaches to take to this problem:

1) Enlarge the 100mb System Reserved partition using Partition Wizard to Resize C taking about 200mb from its left, then Resize SysReserved into the freed space. This may be all that is required, and will save you having to Repair Windows 7 and possibly XP from boot to write the boot files into the Windows 7 partition.

2) delete the 100mb Sys Reserved partition, using PW to recover its space into Windows 7 and mark Windows 7 Active, then run Startup Repair up to 3 separate times from booted Windows 7 DVD Repair console to recover the System MBR into Windows 7 partition. You can then use EasyBCD 2.0 from Windows 7 to add XP to Dual Boot: accept offered boot files, autocompletes, Save, Restart.

Partition Wizard : Use the Bootable CD
Startup Repair - Run 3 Separate Times
My System SpecsSystem Spec
24 Oct 2010   #10

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by gregrocker View Post
There are two approaches to take to this problem:

thanks, thats good but is not a good solution for me.

1) Enlarge the 100mb System Reserved partition using Partition Wizard to Resize C taking about 200mb from its left, then Resize SysReserved into the freed space. This may be all that is required, and will save you having to Repair Windows 7 and possibly XP from boot to write the boot files into the Windows 7 partition.

2) delete the 100mb Sys Reserved partition, using PW to recover its space into Windows 7 and mark Windows 7 Active, then run Startup Repair up to 3 separate times from booted Windows 7 DVD Repair console to recover the System MBR into Windows 7 partition. You can then use EasyBCD 2.0 from Windows 7 to add XP to Dual Boot: accept offered boot files, autocompletes, Save, Restart.

Partition Wizard : Use the Bootable CD
Startup Repair - Run 3 Separate Times
1st I can not give more space to the reserved system partition, because, I have installed after Windows 7, then would have to remove space to the installation of Windows 7, to give system reserved in my case is very complicated because you see I have the disk full of partitions and therefore would have to modify all.

2nd something I like about Windows 7 is that the boot files are separated in their own install partition, something approaching a little to linux and I find most useful in case of any problem of starting just reinstall that partition would suffice. So such as I have a backup of that partition if the boot fails me, then I just simply restore that partition and not all windows7

So I think that is more useful to know how to reinstall that partition, in case you want to uninstall Windows XP and boot cleaning needless files
My System SpecsSystem Spec
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 System Reserved Partition




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