Windows 10 Enterprise 22h2

[Karoline]

Accordingto some articles, I should be able to install the update for free because:"During the life of a LTSC release, you can upgrade your devices to the next or latest LTSC release free of charge using an in-place upgrade."

Then I launched the en-us_windows_10_enterprise_ltsc_2021_x64_dvd_d289cf96.iso installer from within Windows. I opted for a clean install removing personal data and applications. Was it wrong? Should I keep them to ensure the activation upgrade?Anyway, the install process worked almost till 70%, and then it suddenly popped up a small message box with the text: "Windows 10 installation has failed". No error code, nothing.

Looking for a fix, I found some articles explaining there's a Windows Setup problem with integrating updates during installation, and I should install with Internet disconnected. So I disabled my network connection and launched setup again. This time it was completed without any problems. It rebooted, I completed the setup, connected to Wifi, and went to activation. Initially, the status showed it couldn't connect to organization's activation servers. I ignored the error because 2016 LTSB also showed me the same error and it went away after I entered the key. However, 2021 LTSC tries to use the key and fails with a message that the key did not work, error code 0x80041014.

So, how do I update from Windows 10 Enterprise 2016 LTSB to Windows 10 Enterprise 2021 LTSC with the same license key? It should be possible without any local KMS, if 2016 was able to be activated without it, right?

However, moving from LTSB 1607 to LTSC 1809 will require a different license,as the licensing isn't like Windows 10, more like Windows Server.LTSB is more closely related to Windows Server 2016,where LTSC is more like Windows Server 2019.

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