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system reserved partition drive letter


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14 replies to this topic

#1
mobious99

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has anyone found a way to get the system reserved partition to create w/o assigning a drive letter to it?

I'm trying to get the install so that it looks like a standard windows install and cannot for the life of me figure this out.

I've even tried this on the volume - in the pre and post configuration.

diskpart
sel disk 0
sel vol 1
attributes vol set nodefaultdriveletter


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#2
Tripredacus

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How are you installing? Are you using an answer file?
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#3
mobious99

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I'm using an answer file, and then capturing the image with gimagex.

I've only been capturing the windows partition.

#4
Tripredacus

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Ok, so you have an image now and need to deploy it, is that where you are getting this problem? Are you using Gimagex or Setup to deploy your image?
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#5
mobious99

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I'm using imagex to do the deploy.

here's how I'm doing it
- boot into winpe
- map drive
- run diskpart script - standard script from microsoft

select disk 0
clean
create partition primary size=300
select partition 1
format fs=ntfs label="System Reserved"
assign letter=S
active
create partition primary size=102400
select partition 2
format fs=ntfs label="Windows" quick
assign letter=W
active
exit

- Then apply the wim file to the windows partition
imagex /apply f:\2008r2\2008r2ent.wim 1 w:\

- Then run these commands to make the device bootable
bcdboot w:\windows /s w:
bootsect /nt60 w:

after that re-boot and off I go.

#6
Tripredacus

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Don't assign the System Reserved a drive letter at all with your diskpart script.

And you can't set 2 partitions to be active, so remove the active on the "W" volume.
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#7
mobious99

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I took out the drive letter for the system reserved and it's still assigning one on bootup.

it's just strange that diskpart script is right from microsoft.

the w: drive changes to c: on bootup.

#8
Tripredacus

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Is your image generalized?
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#9
mobious99

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yes the image is.

I only capture the windows partition not the system reserved partition, I'm thinking about doing that next and then recreating the boot files.

I've also tried not assigning a drive through diskpart and the drive is still getting created.

#10
JFX

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change your line:

create partition primary size=300

to:

create partition msr size=300



#11
Tripredacus

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The MSR setting is only used in a GPT type format. The user's posted diskpart script does not mention switching to GPT mode. I'm fairly certain that Diskpart is smart enough to throw an error if you try to make an MSR partition on an MBR disk.
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#12
JFX

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The MSR setting is only used in a GPT type format. The user's posted diskpart script does not mention switching to GPT mode. I'm fairly certain that Diskpart is smart enough to throw an error if you try to make an MSR partition on an MBR disk.


You right this is only for GPT and don't work with MBR.
So i guess while the Windows Setup create the system reserved it also set a new registry setting for the new Windows installation, that prevents a drive letter.

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#13
mobious99

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I actually tried something today

- imaged a 2008r2 device
- removed the drive letter
- rebooted
- boots no problem.

no idea why this is adding a drive letter.

#14
mobious99

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I'm going to add this to my startup script

rem remove system reserved drive letter

diskpart /s removehiddent.txt

removehidden.txt has the following lines in it..

SEL VOL 0
REMOVE LETTER=D

Where d: is the drive that always gets assigned to the system reserved partition.

It's got to be something sysprep / winpe is doing because when I boot off my winpe cd I see two drive letters.

#15
Tripredacus

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It's got to be something sysprep / winpe is doing because when I boot off my winpe cd I see two drive letters.


That is normal to see the System Reserved get a drive letter in WinPE when booting on a system with an existing OS.
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