How to automatically assign a drive letter by using the Diskpart.exe command on a Windows Server 2003-based computer or on a Windows XP-based computer

DiskPart script sample

select disk 0
select partition 2
remove noerr
assign letter=X noerr

Method 1: Use mini-setup

1. Create the distribution folder for the Sysprep tool in the following location:
   C:\sysprep\i386\$OEM$
2. Add the following line to the "[Commands]" section of the Cmdlines.txt file to run the DiskPart script (Script.txt):
   DISKPART /s C:\sysprep\OPTION\script.txt
3. Add the following line to the "[Unattended]" section of the Sysprep.inf file:
   InstallFilesPath = C:\sysprep\i386
4. Copy the Cmdlines.txt file into the folder that you created in step 1.
5. Save the DiskPart script file in the following folder:
   C:\sysprep\OPTION
6. Run the Sysprep.exe file by using the -mini switch. For more information about the general methods of Windows deployment when you use the Sysprep tool, click the following article number to view the article in the Microsoft Knowledge Base:
   302577 How to use the Sysprep tool to automate successful deployment of Windows XP

Method 2: Use the Out of Box Experience (OOBE) Wizard

1. Add the following line to the "[GuiRunOnce]" section of the Unattend.txt file to run the DiskPart script:
   DISKPART.EXE /s C:\sysprep\OPTION\script.txt
2. Save the DiskPart script file in the following location:
   C:\sysprep\OPTION
3. Run the Sysprep.exe file. For more information about the general methods of Windows deployment when you use the Sysprep tool, click the following article number to view the article in the Microsoft Knowledge Base:
   302577 How to use the Sysprep tool to automate successful deployment of Windows XP