How to perform licensing for Windows Server 2008 R2 via KMS server
Execute below steps from – Command Prompt, Ensure space
slmgr /ipk KEY of your product
slmgr /skms KMS
Server IP
slmgr /ato
It’s all about IT world, support, technical expertise, how you do, how you perform a task, It’s all about it, I update all the information which I’ve done till now, irrespective at what time, All these steps and troubleshooting performed on live Infrastructure, so downtime and small minute things have been tested and then implemented, Of course, every Infrastructure has its own protocol, So would suggest you to check them first.