Windows Server 2025 core eval to STD

Question

Hi,

I am having issues converting my server 2025 core eval to std with a valid license. None of the dism commands are working or slmgr /ipk. Is this conversion even possible?

DISM /Online /Set-Edition:ServerStandardCor /ProductKey:REALKEY /AcceptEula

Deployment Image Servicing and Management tool

Version: 10.0.26100.5074

Image Version: 10.0.26100.32522

Starting to update components...

Starting to install product key...

Finished installing product key.

Finished updating components.

Starting to apply edition-specific settings...

Error: 1168

An error occurred while applying target edition component settings. The upgrade cannot proceed.

For more information, review the log file.

+++++++++++++++++++++++++++++++++++++
2026-04-15 16:42:52, Info DISM DISM Driver Manager: PID=3204 TID=4764 Not operating offline. No unattend work to be done for DMI. - CDriverManager::Apply

2026-04-15 16:42:52, Info DISM DISM Transmog Provider: PID=3204 TID=4764 Copying edition override file from [C:\Windows\Servicing\Editions\ServerStandardCorEdition.xml] to [C:\Windows\ServerStandardCor.xml] - CTransmogManager::ProjectEditionOverrideFile

2026-04-15 16:42:52, Info DISM DISM Transmog Provider: PID=3204 TID=4764 Installing edition license file for edition [ServerStandardCor] - CTransmogManager::ProjectEditionLicenseFile

2026-04-15 16:42:52, Error DISM DISM Transmog Provider: PID=3204 TID=11016 Failed to copy edition license file. - ThreadSkuInstallEula(hr:0x80070490)

2026-04-15 16:42:52, Error DISM DISM Transmog Provider: PID=3204 TID=4764 Thread for Installing EULA Failed. - CTransmogManager::ProjectEditionLicenseFile(hr:0x80070490)

2026-04-15 16:42:52, Error DISM DISM Transmog Provider: PID=3204 TID=4764 Failed to apply edition settings - CTransmogManager::ApplyEditionSettings(hr:0x80070490)

2026-04-15 16:42:52, Error DISM DISM Transmog Provider: PID=3204 TID=4764 Failed to apply edition settings for [ServerStandardCor] - CTransmogManager::TransmogrifyWorker

2026-04-15 16:42:52, Error DISM DISM Transmog Provider: PID=3204 TID=4764 [Upgrading system]: An error occurred while applying target edition component settings. The upgrade cannot proceed.

For more information, review the log file.

[hrError=0x80070490] - CTransmogManager::EventError

+++++++++++++++++++++++++++++++

WindowsProductName WindowsVersion OsBuildNumber

---

Windows Server 2025 Standard Evaluation 2009 26100

+++++++++++++++++++++++++++++++

DISM /Online /Set-Edition:ServerStandard /ProductKey:REALKEY /AcceptEula

Deployment Image Servicing and Management tool

Version: 10.0.26100.5074

Image Version: 10.0.26100.32522

Error: 50

This Windows image cannot upgrade to the edition of Windows that was specified. The upgrade cannot proceed.

Run the /Get-TargetEditions option to see what edition of Windows you can upgrade to.

The DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log

++++++++++++++++++++++++++++++++++

2026-04-15 17:02:45, Info DISM DISM Transmog Provider: PID=11040 TID=996 GetCurrentEdition: EditionId = [ServerStandardEvalCor] - CTransmogManager::GetCurrentEdition

2026-04-15 17:02:45, Info DISM DISM Transmog Provider: PID=11040 TID=996 Determined WinDir path = [C:\Windows] - CTransmogManager::GetWinDirPath

2026-04-15 17:02:45, Info DISM DISM Transmog Provider: PID=11040 TID=996 Upgrading to edition ID [ServerStandard]... - CTransmogManager::TransmogrifyWorker

2026-04-15 17:02:45, Info DISM DISM Transmog Provider: PID=11040 TID=996 Validating that the selected OS can upgrade to [ServerStandard] - CTransmogManager::ValidateTransmogrify

2026-04-15 17:02:45, Info DISM DISM Transmog Provider: PID=11040 TID=996 Determined WinDir path = [C:\Windows] - CTransmogManager::GetWinDirPath

2026-04-15 17:02:45, Info DISM DISM Transmog Provider: PID=11040 TID=996 [Upgrading system]: This Windows image cannot upgrade to the edition of Windows that was specified. The upgrade cannot proceed.

Run the /Get-TargetEditions option to see what edition of Windows you can upgrade to.

[hrError=0x80070032] - CTransmogManager::EventError

2026-04-15 17:02:45, Error DISM DISM Transmog Provider: PID=11040 TID=996 something failed with hr [80070032] - CTransmogManager::ValidateTransmogrify

2026-04-15 17:02:45, Warning DISM DISM Transmog Provider: PID=11040 TID=996 The selected OS cannot upgrade to [ServerStandard] - CTransmogManager::TransmogrifyWorker

2026-04-15 17:02:45, Error DISM DISM Transmog Provider: PID=11040 TID=996 Failed to Upgrade! - CTransmogManager::TransmogrifyWorker(hr:0x80070032)

2026-04-15 17:02:45, Error DISM DISM Transmog Provider: PID=11040 TID=996 Failed to upgrade! - CTransmogManager::ExecuteCmdLine(hr:0x80070032)

Answer 1

AFAIK, the issue you are encountering is a limitation with the Server Core evaluation media for Windows Server 2025. Unlike the Desktop Experience version, which allows for a straightforward edition upgrade, the Core Evaluation image lacks the necessary license components to transition directly to the retail or volume license Standard Core edition. The error code 0x80070490 indicates that the installer cannot find the required license file because the evaluation image is stripped of the retail metadata needed for the Standard SKU.

The in-place conversion path that should work for Server Core Evaluation is moving to the Datacenter Core edition. When you run the target edition query, you will likely see that ServerDatacenterCor is listed as a valid destination. If you need to use the Standard edition, you would have to perform a clean installation using the non-evaluation retail or volume licensing ISO. Using the non-evaluation media from the start bypasses the lockdown on edition transitions inherent in the evaluation-specific binaries.

If you want to verify the specific upgrade paths available to your current installation, you can run the following command to see if the Standard edition is even listed as a possibility.

DISM /Online /Get-TargetEditions

If ServerStandardCor is not in that list, the system will continue to reject any attempt to force the product key.

---

If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

hth

Marcin