Windows 2008 Server Core Activation.

start /w slmgr.vbs –dli
it will show you the dialog box as below.
Now run the below command to check the Installation ID
slmgr.vbs -dti
Note down this installation ID, now call to the MS local activation center and write down the activation key which consists of eight blocks of six digits you receive in response to punching in the Installation ID.
start /w slmgr.vbs –atp GUID ActivationID
Where ActivationID must be notated as one long 48-digit string.
Run the command to check your licensing information  to confirm that Server Core installation was activated properly.
start /w slmgr.vbs –dli
Do it Without calling to MS


First RUN the below command to check the Activation status.
start /w slmgr.vbs –dli
it will show you the dialog box as below

Now run the below command to enter the product key.
slmgr.vbs – <Your Key>
now run the below command to enter the proxy, if you are using the proxy server co connect the internet
netsh winhttp set proxy <Proxy>
now run the below command.
start /w slmgr.vbs -ato

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