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Need to make a batch file to setup 1 partition before OS is installed (Automated Install)

Posted on 2007-11-24
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Last Modified: 2010-04-21
I need to make a batch file that can be called from autoexec.bat that will make 1 5GB NTFS partition.  After this action I'm going to be installing Windows XP SP2 fully automated.  Therefore I need to just insert a single CD and have it do all of this.  

So far I do have an idea on how the batch file would work but I'm not exactly sure how ERRORLEVEL works, especially after a computer restarts (Such as after FDISK is executed).  What I need is for this batch file to make the partition, and set it as active (Probably using FDISK) and then format it (Using FORMAT), but not have a continuous loop of it formatting every time it starts and therefore it would need to check to see if it has already fdisk'd and formatted.  Also, a plus would be to delete all partitions at the beginning.  Reference my code snippet for what I'm thinking thus far for a batch file.  One big thing is I don't know 100% how ERRORLEVEL would work because if you restart your computer, I'm not sure if all variables (ERRORLEVELs) are stored in memory (Volatile) or on the HDD (Non-volatile) or however it works.  

In essence, if there isn't a 5GB NTFS partition, this batch file will delete everything on the disk, make a 5GB primary partition, set it as active, restart (If necessary), format the partition, then begin an automated installation of Windows XP SP2 with NO USER INTERACTION NECESSARY.  This disk is meant to be fully automated.  

*****Also, I'm not going to be using any 3rd party programs such as GDISK, delpart, etc.  I will be doing this using ONLY what Windows provides.  
:start

IF NOT ERRORLEVEL 1 goto delete

IF ERRORLEVEL 1 goto part

IF ERRORLEVEL 2 goto format

IF ERRORLEVEL 3 goto end
 

:delete

<Delete all current partitions>

<Somehow return a 1?>

goto start
 

:part

<Make a 5GB primary partition>

<Set that partition as active>

<Somehow return a 2?>

goto start
 

:format

<Format the partition as NTFS>

<Somehow return a 3?>

goto start
 

:end

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Question by:JZeolla
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Expert Comment

by:Erik Bjers
ID: 20342651
You want to use diskpart /s <script>

This link will show you how to make the script http://technet2.microsoft.com/windowsserver/en/library/ca099518-dde5-4eac-a1f1-38eff6e3e5091033.mspx?mfr=true

eb
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Accepted Solution

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Wallsy earned 100 total points
ID: 20345073
Diskpart is the way to go, but you will want to be booting off a WindowsPE or BartPE disk, not a DOS boot disk. Diskpart is a 32 bit command...

With a 32 bit boot disk you can fdisk, format and use the volume without restarting, and save all of thse problems of tracking where you are in the installation process. Simply choose to boot off the CDROM the first time and everything else is automated.

See http://nu2.nu for Bart PE.

HTH,

Wallsy
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LVL 4

Author Closing Comment

by:JZeolla
ID: 31410767
Perfect.  WindowsPE and diskpart is the solution to my problem, thank you.  
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LVL 4

Author Comment

by:JZeolla
ID: 20347413
Perfect, WindowsPE and Diskpart should work for me.  Thank you.  
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LVL 6

Expert Comment

by:Wallsy
ID: 20348466
Cheers!

Wallsy
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