Set your official organizational KMS server using: cscript ospp.vbs /sethst:your-company-kms-server.com
KMS activations are not permanent; they expire every 180 days. Legitimate corporate devices automatically renew their license by talking to the company server. Rogue KMS servers frequently get blacklisted by Microsoft or taken down entirely. When the server goes offline, your Office suite will revert to an "Unlicensed Product" status, disrupting your workflow. The Legitimate Way to Activate Office 2019 Ms Office 2019 Activation Bat File-
A "free activation" BAT file might add a hidden administrator account or modify firewall rules to allow remote access. Set your official organizational KMS server using: cscript