Ensure TCP Port 1688 is open to allow client-to-host communication. 2. Install the Host Key (CSVLK) Windows Server 2022 - KMS Activation yet?
To support the latest versions like and Office 2021/2022 , your infrastructure must be properly prepared. 1. Prepare the KMS Host
You can run a KMS host on Windows Server 2016, 2019, or 2022.
Devices (running Windows or Office) that connect to the host for activation.