Windows 10 kms key not working free.KMS activation: known issues

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Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. As part of their deployment process, many enterprise customers set up the Key Management Service KMS to enable activation of Windows in their environment. It is a simple process to set up the KMS host, after which the KMS clients discover the host and try to activate on their own. What do you do next? This article walks you through the resources that you require in order to troubleshoot the issue.

For more information about event log entries and the Slmgr. KMS is a client-server model. Conceptually, it resembles DHCP. KMS is also a renewal model, in which the clients try to reactivate on a regular interval. From a troubleshooting perspective, you may have to look at both sides host and client to determine what is going on. There are two areas to examine on the KMS host. First, check the status of the host software license service. Second, check the Event Viewer for events that are related to licensing or activation.

To see verbose output from the Software Licensing service, open an elevated Command Prompt window and enter slmgr. The following screenshot shows the results of this command on one of our KMS hosts within Microsoft. The most important fields for troubleshooting are the following. What you are looking for may differ, depending on the issue to be solved. Version Information. At the top of the slmgr. This may be useful to determine whether the current version of the service is installed.

This data can be used to evaluate whether or not the version is current and supports the KMS host key that you are trying to install. This indicates the edition of Windows that is installed on the KMS host system. This can be important for troubleshooting if you are having trouble adding or changing the KMS host key for example, to verify that the key is supported on that OS edition. This is where you see the key that is installed. Use this field to verify which key was used to activate the service and whether or not it is the correct one for the KMS clients that you have deployed.

License Status. This is the status of the KMS host system. The value should be Licensed. Any other value means that something is wrong and you may have to reactivate the host. Current Count. The count displayed will be between 0 and The count is cumulative between operating systems and indicates the number of valid systems that have tried to activate within a day period.

If the count is 0 , either the service was recently activated or no valid clients have connected to the KMS host. The count will not increase above 50 , no matter how many valid systems exist in the environment. This is because they count is set to cache only twice the maximum license policy that is returned by a KMS client.

The maximum policy today is set by the Windows client OS, which requires a count of 25 or higher from the KMS host to activate itself. Therefore, the highest count on the KMS host is 2 x 25, or This is because the threshold for Windows Server editions is 5 2 x 5, or A common issue that is related to the count is if the environment has an activated KMS host and enough clients, but the count does not increase beyond one.

Another reason why the count may not be increasing is that there are too many KMS hosts in the environment and the count is distributed over all of them. Listening on Port. You can change or configure the port on the KMS host. If you change the port on a KMS client, the port designation is overwritten when that client contacts the host. Generally this data is not helpful for troubleshooting. From a troubleshooting perspective, this data is relevant only if the count is not increasing as expected.

In that case, you should see the number of failed requests increasing. This indicates that you should check the product key that was used to activate the KMS host system. Also, notice that the cumulative request values reset only if you reinstall the KMS host system.

Event ID provides a significant amount of information that you can use to figure out what kind of client contacted the host and why a failure occurred.

Some reasons why an event ID entry may not exist are as follows:. For information about these events, see the KMS client section.

This event indicates that the host did not publish the required records in DNS. This situation is known to cause failures, and it is something that you should verify after you set up your host and before you deploy clients. The following list includes the most important fields for troubleshooting. The most relevant information in event ID is the data in the Info section. For example, this section shows the current state of the client plus the FQDN and TCP port that the client used when it tried to activate.

For example, if there are too many KMS hosts available to the clients either legitimate or rogue systems then the count may be distributed over all of them. An unsuccessful activation does not always mean that the client has and not A failed activation or reactivation may also have both events. In this case, you have to examine the second event to verify the reason for the failure.

If you have to call Support to troubleshoot activation, the Support Engineer typically asks for the following information:. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Table of contents Exit focus mode. Table of contents. Submit and view feedback for This product This page.

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