Termsrvdll Windows Server 2019 -
If termsrvdll is intact but claims the grace period is expired, use licensingdiag.exe tool:
expand D:\sources\install.wim:1\Windows\System32\termsrvdll.dll C:\Windows\System32\ (Replace D: with your DVD/USB drive letter.) termsrvdll windows server 2019
icacls C:\Windows\System32\termsrvdll.dll /grant SYSTEM:RX /grant "NETWORK SERVICE:RX" Warning: This should only be done on non‑production servers under strict guidance. Resetting the grace period incorrectly can permanently disable RDS. If termsrvdll is intact but claims the grace