You have a Microsoft Deployment Toolkit (MDT) deployment share. You plan to deploy Windows 11 by using the Standard Client Task Sequence template. You need to modify the task sequence to perform the…

The correct answer is D. Preinstall. In an MDT task sequence, the Preinstall phase executes before the operating system files are laid down. It contains the disk manipulation steps-specifically 'Format and Partition Disk'-which is where you configure partition schemes. To support UEFI you must create a GPT…

Submitted by andres_qro· Apr 18, 2026Prepare infrastructure for devices

Question

You have a Microsoft Deployment Toolkit (MDT) deployment share. You plan to deploy Windows 11 by using the Standard Client Task Sequence template. You need to modify the task sequence to perform the following actions:

Format disks to support Unified Extensible Firmware Interface (UEFI).
Create a recovery partition.

Which phase of the task sequence should you modify?

Exhibit

Options

AInitialization
BInstall
CPostInstall
DPreinstall

How the community answered

(42 responses)

A
14% (6)
B
7% (3)
C
5% (2)
D
74% (31)

Explanation

In an MDT task sequence, the Preinstall phase executes before the operating system files are laid down. It contains the disk manipulation steps-specifically 'Format and Partition Disk'-which is where you configure partition schemes. To support UEFI you must create a GPT partition layout with an EFI System Partition, and the recovery partition is also defined here. Initialization handles early WinPE startup tasks. Install copies the OS image to disk. PostInstall runs after the OS is placed (driver injection, Windows updates, domain join). Because disk layout must exist before the OS can be written, the Preinstall phase is the correct place to modify partition steps for UEFI and recovery support.

Topics

#MDT#Task Sequence#UEFI#Recovery Partition

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