That is an MSDN key, and I am about 100% sure that it is blocked however Darin is the only one who can say for sure. Sorry if I gave the impression you were supposed to post here. Not my intention, this should be asked in it's own thread. Maybe Darin can split this off and place it where it is supposed to be or just post a response here. Sep 06, 2015 I did a clean install with the latest Win 10 ISO on top of a legit ver of OEM Win7. It keeps telling me the key is blocked:( Error 0xC004C003 C: WINDOWS system32. Windows 10 Product Key. The Windows 10 product keys listed in this section can also be used with unattended installations (unattended.xml) of Windows 10. Though they are blocked at the Microsoft clearinghouse and therefore cannot be used to activate any productive systems to.

Check Windows 10 product key with VBscript If you are an advanced user, you also can use the VBscript to read the value from the registry and translate it to 25 alphanumeric characters (serial key).

Windows stores the product key which is used to activate Windows inside its registry. This product key is not visible from any Windows settings but can be retrieved using third party product key finder programs. This article will tell you how to remove Windows 10 product key from registry to make it invisible from key finder software.

While finding the lost product key of Windows 10 can be useful but sometimes it poses a threat for your key to be stolen and used somewhere else. This can be the case especially when you are using an enterprise license where only one key can be activated multiple times. This includes licenses from Microsoft Action Pack and MSDN subscriptions.

Let’s go through the process of removing the Windows 10 product key from the registry so that it can’t be retrieved using any product key finder software.

Remove Windows 10 product key from Registry

Open command prompt with administrative privileges ( Windows Key + X + A)
Issue the following command:
slmgr /cpky

That’s it. Now the product key cannot be seen using any software. Only the last 4 characters of the product key can be retrieved.

Please note that this command will not do any harm to your computer or Windows licensing. Windows will remain activated and only the product key will be removed from the registry.

slmgr command starts the Microsoft software licensing manager and /cpky switch clears the product key from the registry. You can see the partial product key using the following command:

slmgr /dli

And if you want to completely uninstall the product key from the computer and deactivate Windows, you may issue the following command in the command prompt with administrative privileges:

slmgr /upk

To install a new product key, you may run the following command:

slmgr /ipk

After installing the new product key, you will need to activate Windows which can be done by running the following command:

slmgr /ato

You can view the details about the current license of Windows using the following command:

Microsoft Windows 10 Serial Key

slmgr /dlv

Windows Serial Key 10

You can also view the expiration date of your current license state using the following command:

slmgr /xpr

Windows 10 Free Serial Key

Let me ask you one question. If you are a network/system administrator and want to remove the Windows 10 product key from all the computers running on your network, how would you do it?

Remove Windows 10 product key from Registry

Microsoft Windows 10 Serial Key

Windows Serial Key 10

Windows 10 Free Serial Key

Product Key Blocked Windows 10

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