You can check this DNS entry using the nslookup command :. You can also specify the TCP port on which the activation service listens by default :.
You can test network connectivity between your computer and the KMS server using the PowerShell command:. As you can see, the utility returned the following useful info:. Actually, if the installation media is not Retail but Volume, it is not required to execute slmgr. If a server cannot find KMS host, you can specify it using slmgr. So, in my case with standalone server this was enough: slmgr. If you are activating Windows 7 or Windows 8 desktops the proper way to do this is to activate via your own KMS Server.
However, I have seen servers need to be manually activated via KMS more often than not. But yes I agree with your last statement, seems kind of strange the way they activate with KMS. Your web page just got me out of the hole. This assumes you have a KMS server running. KMS volume activation requires a minimum threshold of 25 computers before activation requests will be processed. The verification process described here will increment the activation count each time a client computer contacts the KMS host, but unless the activation threshold is reached, the verification will take the form of an error message rather than a confirmation message.
If you configured Active Directory-based activation before configuring KMS activation, you must use a client computer that will not first try to activate itself by using Active Directory-based activation. You could use a workgroup computer that is not joined to a domain or a computer running Windows 7 or Windows Server R2. On a client computer, open a Command Prompt window, type Slmgr.
The response should show the license state and detailed Windows version information. The response should return an error that states that the KMS activation count is too low.
This confirms that KMS is functioning correctly, even though the client has not been activated. For more information about the use and syntax of slmgr. If you have already established a KMS infrastructure in your organization for an earlier version of Windows, you may want to continue using that infrastructure to activate computers running Windows 10 or Windows Server R2. Your existing KMS host must be running Windows 7 or later.
To upgrade your KMS host, complete the following steps:. For detailed instructions, see Update that enables Windows 8. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. Skip to main content. Contents Exit focus mode. Note If you configured Active Directory-based activation before configuring KMS activation, you must use a client computer that will not first try to activate itself by using Active Directory-based activation.
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However, we are getting still the error message like below : " Error: 0xCF On a computer running Microsoft Windows non-core edition, run 'slui. Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact tnmff microsoft.
You've installed the KB but doesn't sound like you've updated the license key. Once done you'll probably need to hit the number limit 25 for clients from memory to get successful activation, but you'll get a different error message from the above until then. When install windows 10 kms key on server 2008 r2 free download install the Windows 10 VL key like slmgr. Office Office Exchange Server.
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Remove From My Forums. Answered by:. Archived Forums. Windows Server General Forum. Sign in to vote. Best Regards. Monday, April 4, PM. Tuesday, April 5, AM. Hi, You've installed the KB but doesn't sound like you've updated the license key. Hi, Thank you for your reply. Any idea? Thursday, April 7, PM. Best Regards, Leo Please remember to mark the replies as answers if they help and unmark them if they provide no help. Friday, April 8, AM.
