Activate Windows Server 2019 (Standard, Datacenter, Essentials)
Windows Server 2019 reached general availability in November 2018 and remains the most-deployed server OS in homelabs. KMS activation through KMSAuto.software installs the correct GVLK, registers a local KMS host, and grants a 180-day renewable license.
Server 2019 GVLK keys
- Standard: N69G4-B89J2-4G8F4-WWYCC-J464C
- Datacenter: WMDGN-G9PQG-XVVXX-R3X43-63DFG
- Essentials: WVDHN-86M7X-466P6-VHXV7-YY726
- Hyper-V Server 2019: no key required (free product).
Step-by-step activation
- Run KMSAuto.software as administrator on the server.
- Open the Windows tab → KMS button.
- Activator installs the GVLK based on the detected edition.
- Local KMS host listens on 127.0.0.2:1688.
- slmgr /ato finishes activation; verify with slmgr /xpr.
Using a remote KMS host
- slmgr /skms kms.kmsauto.software:1688
- slmgr /ato to activate via the public host.
- Cron-style task renews every 7 days automatically.
Common errors
- 0xC004F042 → key/SKU mismatch; let activator pick the right GVLK.
- 0x8007007B → invalid KMS host name; flush DNS and retry.
- 0xC004C003 → activation count exceeded on the KMS host; switch to local KMS mode.
Frequently asked questions
▸Does Server 2019 KMS work on Core installations?
Yes. Run KMSAuto.software from a UNC path or use the manual slmgr commands in PowerShell on Server Core.
▸Can I use a Server 2019 KMS host to activate Windows 10?
Yes. Server 2019 KMS hosts cover Windows 10 1809+ and Windows 11 client editions.
▸Is Hyper-V Server 2019 still free?
Yes. Hyper-V Server 2019 has no licensing cost but Microsoft discontinued the SKU after 2022 — no Hyper-V Server 2022/2025 exists.
▸How long does a KMS lease last on Server 2019?
180 days. The scheduled task installed by KMSAuto.software checks in every 7 days and renews the lease automatically.
▸Will activation persist across a Storage Spaces Direct rebuild?
Yes. KMS leases are stored in the registry, not on the data volumes — S2D rebuilds do not affect activation.
▸Does Server 2019 support HWID activation?
No. HWID is a Windows 10/11 client-only method. Servers must use KMS, MAK, or AD-based activation.
▸Can I convert Server 2019 Standard to Datacenter after activation?
Yes — use DISM /online /Set-Edition:ServerDatacenter, then re-run KMS to license the new edition.
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