Display Office 2021 Licensestatus on the KMS Server
cscript slmgr.vbs /dlv 47F3B983-7C53-4D45-ABC6-BCD91E2DD90A
Display all Licenses on a KMS Server
cscript slmgr.vbs /dlv all
https://learn.microsoft.com/en-us/office/volume-license-activation/configure-a-kms-host-computer-for-office