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Microsoft

We are pleased to announce that the Microsoft Deployment Toolkit (MDT), version 8456, is now available on https://aka.ms/mdtdownload and replaces MDT version 8450. This update introduces support for Windows 10 version 1809 and Windows Server 2019 as well as the latest version of Windows Assessment and Deployment Kit (ADK).


As well as support for the latest versions of Windows and the ADK, here is a summary of the major changes in MDT 8456.

  • Nested TS for LTI
  • Modern LXP Support*
  • Support for Configuration Manager version 1810**
  • IsVM evaluates to False on Parallels VMs
  • IsVM = False when VMware VM is configured with EFI boot firmware
  • Gather does not recognize All in One chassis type
  • MDT doesn't automatically install BitLocker on Windows Server 2016
  • BDEDisablePreProvisioning typo in ZTIGather.xml

* Starting with Windows 10 1809, Language Interface Packs (LIPs) are delivered as Local Experience Packs (LXPs). LXPs are AppX bundles that do not get automatically selected when specified in the unattend.xml file and the deployment will fail. LXPs should not be set as default and the user should select an applied LXP from Windows settings.

 

** We primarily tested this build of MDT with the configuration listed above. Anything outside of that will have a high probability of still working, but your mileage may vary as we haven’t explicitly tested other combinations.

12 Comments
Frequent Visitor

You mention that language packs are now delivered as LXPs but that MDT cannot automatically select these or set them as default. Is there then something in Group Policy which we can use to achieve that? Or alternatively, since you mention it's AppX, can PowerShell be used to achieve this? If we deploy Windows 10 computers but are unable to set "English (United Kingdom)" in an automated manner, I would expect that we will receive complaints from our users.

 

Thanks,

Dan Jackson (Senior ITServices Technician)

Long Road Sixth Form College

Cambridge, UK.

Senior Member

You mention that support has been added for Server 2019 and Windows 10 1809 but the ServerManager.XML file still has the original settings for Windows 10 in it's list of roles and features.  Also the newly added Server 2019 roles to the file have the same ID as Server 2016 Core but when you look through the roles and features for 2019 they are different I am just not sure how the file is read to know where it gets the ID of the feature to add or remove.

 

Is it possible to look at an updated version of this file that supports the individual releases of Windows 10 going forward so we can be sure of the roles and features we are adding and removing.

 

Thanks

David Bradtberg

Deleted
Not applicable
Whilst many of us have updated MDT before, these announcements should always link to the official instructions. CM customers have bricked their system because they followed the lazy description of click and run given on the download page.
Occasional Visitor

Does this require a new ADK to be installed?

Occasional Visitor

brand new implementation of Server 2016/CM1810/Windows 10 1809 ADK/MDT8456 this combination appears to have a requirement for Powershell 2.0 components to be able to create MDT boot images. Spent a whole day trying to figure out why we couldn't create MDT boot images via the sccm console. Have never required to have powershell 2.0 to complete the same work at previous clients using previous MDT versions. Can anyone confirm this is a new "undocumented" pre-req with MDT 8456 configuration manager integration?

Microsoft

Hello @YYCBB  PowerShell 1.0 is not longer supported and PowerShell 2.0 has been deprecated.  See https://devblogs.microsoft.com/powershell/windows-powershell-2-0-deprecation/.   We recommend using a higher version.  

 

Thanks

-Yvette

Microsoft

Hello @Tim Nielsen, the 1809 ADK is the supported version.

 

thanks

Yvette

Frequent Visitor

Hi there! Does this new MDT version fixes the issue with Windows 10 1809 where the deployment fails with error "Failure 5627 / Task Sequence Error 0x80004005" when the Windows Update packages are added? Thanks in advance!

Senior Member

@Yvette O'Meally  Can you comment on the rationale for ISVM=False when using VMware with EFI?
It's easy enough to overwrite the logic via editing ZTIGather or CustomSettings.ini, but it doesn't make sense on why it should behave this way out of the box when it doesn't for Hyper-V with Gen2.

Occasional Visitor

@YYCBB Yes PowerShellS 2.0 is still needed even though MS says not to use it anymore for security reasons. I had a case open with the engineers last year and they are working on getting PowerShell 2 out of SCCm and MDT. No time line was given.

Established Member

@jllorenteFrom initial tests I've performed with 8456, it seems to receive the same error.  I'll investigate this further and report back.  Although I could have them as app installs instead (callin them with a WUSA command line to do them) the apply patches method which worked in Win10 1803 etc was just an easier and more efficient way of doing so.

 

Occasional Visitor

When deploying Windows 10 1809 from a Windows Server 2016 with MDT8456 there are two network drives (Z and Y).

Usually the deployment only use the network drive Z: . Now we see Z and Y connected. Litetouch script is changed with MDT8456. The Litetouch Script connects drive Z: with the "Servername" and Y: with the IP-adress (confirmed by BDD.log). Did other users recognize the same? Any known Side effects?

 

We checked again and this effect is coming up with MDT8456 and updating an existing deployment. Smiley Embarassed

 

The deployment still works fine. At the end of the deployment process those drives are disconnected. Smiley Happy

If there is a reason and this can be fixed, let me know.