This community is dedicated to Windows 10 which is a personal computer operating system released by Microsoft as part of the Windows NT family of operating systems. Then this issue is related to the BIOS of your system, as it is still having the Windows Home key. And commonly occurs when you buy the pre-activated Windows system and after resetting it still tries to activate it with the available BIOS. Windows 10 Pro Insider Preview สร้างหมายเลขผลิตภัณฑ์ 10158: 8N67H-M3CY9-QT7C4-2TR7M-TXYCV. ตัวอย่างของ Windows 10 Enterprise Insider สร้างหมายเลขผลิตภัณฑ์ 10158: CKFK9-QNGF2-D34FM-99QX2-8XC4K. Source: social.technet.microsoft.com. I want to change the product key for two windows 2012 r2 hyper-v vms. By mistake they are currently activated using the product key from a new dell server which came with windows 2016 std. I have a new windows server 2019 std oem disk and product key which I intended to apply to these two vms.

After installing Windows Server 2019 Standard, I tried to activate it with a MAK key from the Microsoft Volume Licensing Portal. I clicked on 'Change product key' and entered the key from the Microsoft Portal. I got the following error message:

The product key you entered didn't work. Check the product key and try again, or enter a different one. (0x80070490)

0xc004e016 Windows 10 Activation Key Free Download

Searching on Google, this error number mostly refers to Windows Update or Windows Store errors, but not to licensing issues.

I finally tried to activate via the command line, by using these commands:

This worked right away.

Error Installing Product Key 0xc004e016

Update: Several readers commented that only the first command is needed. I put the second one in brackets for that reason.

So this is just a GUI activation problem on Windows 2019.