Q. How can I check which version of an OS a Virtual Hard Disk (VHD) contains?

A. There might be times when you're not sure of the OS version in a VHD. You can find this information using the /Get-CurrentEdition switch of the Deployment Image Servicing and Management (DISM) tool. In the example below, I first create a VHD containing the Windows 7 Home Basic SKU using the wim2vhd tool. Then I check the version of the VHD using DISM after I mount it using DISKPART.

D:\Documents\Scripts>cscript WIM2VHD.wsf /wim:"D:\OS Images\Windows 7 Ult 64-bit
\sources\install.wim" /sku:HOMEPREMIUM /vhd:d:\temp\win7hpstd.vhd

Microsoft (R) Windows Script Host Version 5.8
Copyright (C) Microsoft Corporation. All rights reserved.

Windows(R) Image to Virtual Hard Disk (WIM2VHD) Converter
Copyright (C) Microsoft Corporation. All rights reserved.
Version 6.1.7600.0

Check for updates at http://code.msdn.microsoft.com/wim2vhd!

MACHINE INFO:
Build=7601
Platform=amd64fre
OS=Windows 7 Ultimate
ServicePack=Service Pack 1, v.721
Version=6.1
BuildLab=win7sp1_rc
BuildDate=100929-1730
Language=en-US

INFO: Looking for IMAGEX.EXE...
INFO: Looking for BCDBOOT.EXE...
INFO: Looking for BCDEDIT.EXE...
INFO: Looking for REG.EXE...
INFO: Looking for DISKPART.EXE...
INFO: Session key is ACFE1CDE-EF94-4D7F-9370-7377537B8CB8
INFO: Inspecting the WIM...
INFO: Configuring and formatting the VHD...
INFO: Applying the WIM...
\\[ 100% \\] Applying progress
INFO: Making the VHD bootable with BCDBoot...
INFO: Unmounting the VHD...
Summary: Errors: 0, Warnings: 0, Successes: 1
INFO: Done.

D:\Documents\Scripts>diskpart

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: SAVDALWKS01

DISKPART> select vdisk file=d:\temp\win7hpstd.vhd

DiskPart successfully selected the virtual disk file.

DISKPART> attach vdisk

100 percent completed

DiskPart successfully attached the virtual disk file.

DISKPART> assign letter=w

DiskPart successfully assigned the drive letter or mount point.

DISKPART> list vol

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 H DVD-ROM 0 B No Media
Volume 1 G EDGE_OF_DAR UDF DVD-ROM 6968 MB Healthy
Volume 2 System Rese NTFS Partition 100 MB Healthy System
Volume 3 C NTFS Partition 148 GB Healthy Boot
Volume 4 T Temp NTFS Partition 74 GB Healthy Pagefile
Volume 5 V Virtuals NTFS Partition 279 GB Healthy
Volume 6 D Data NTFS Partition 1396 GB Healthy
Volume 7 Removable 0 B No Media
* Volume 8 W NTFS Partition 39 GB Healthy

DISKPART> exit

Leaving DiskPart...

D:\Documents\Scripts>dism /image:w:\ /get-currentedition

Deployment Image Servicing and Management tool
Version: 6.1.7600.16385

Image Version: 6.1.7600.16385

Current edition is:

Current Edition : HomePremium

The operation completed successfully.

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