KMS Activation Method's:

Method 1:

Command to Configure the KMS Client Setup Keys

Always run the command in elevated command prompt.

1. Open Command prompt: Run the following command as per the OS:

  slmgr.vbs /ipk D2N9P-3P6X9-2R39C-7RTCD-MDVJX  - For WIN2K12 R2 Standard Edition

  slmgr.vbs /ipk XC9B7-NBPP2-83J2H-RHMBY-92BT4  - For WIN2K12 Standard Edition

  slmgr.vbs /ipk BN3D2-R7TKB-3YPBD-8DRP2-27GG4  - For WIN2K12

  slmgr.vbs /ipk YC6KT-GKW9T-YTKYR-T4X34-R7VHC  - For WIN2K8 R2 standard Edition

  slmgr.vbs /ipk 489J6-VHDMP-X63PK-3K798-CPX3Y  - For WIN2K8 R2 Enterprise Edition

  slmgr.vbs /ipk TM24T-X9RMF-VWXK6-X8JC9-BFGM2  - For WIN2K8 Standard Edition

  slmg.vbsr /ipk YQGMW-MPWTJ-34KDK-48M3W-X4Q6V  - For WIN2K8 Enterprise Edition

Note : The above keys are Default Microsoft MAK keys. We should have KMS server in network, Otherwise it will not work.

2. After activating the KMS key, restart the Software Protection Service. 

3. Run “slmgr.vbs /ato” command

4. Wait for some time, check if OS license is activated, if not restart the server.

Second Method:

Manually targeting a KMS client to a KMS Host:

1. Open the command prompt in elevated prompt

2. Ping and check if the KMS server is reachable from client. KMS host should be reachable from client server.

3. Run the below command:

slmgr.vbs /skms  192.168.10.240:1688

slmgr.vbs /ato

Some other useful command:

slmgr.vbs /ckms - Enable Auto-discovery for a KMS Client

slmgr.vbs /upk  -To remove uninstall the current product key, run the following command and then restart your computer

slmgr.vbs /cpky -To remove License product key from registry.

slmgr.vbs /dli -To display very basic license and activation information about the current system

slmgr.vbs /dlv -To display more detailed license information–including the activation ID, installation ID, and other details