This small package (about 400 Kb) contains the files necessary for the KMS server to be able to receive and process activation requests from MS Office clients. The next step is to download and install on the KMS server the following extension package – Microsoft Office Volume License Pack. Updating KMS Server to Support Office 2019/2016 Volume Activationįirst of all, you have to find and copy a KMS Host key for Office 2019 or 2016 in your personal section on Microsoft Volume Licensing Service Center (VLSC) website. Activation through the domain – ADBA (Active Directory-Based Activation), requires the domain functional level at least Windows Server 2012.