The server will progress through the conversion process and prompt you to restart. Type to reboot. After the reboot, your server will be running the fully activated, non-evaluation version. Method 4: Enterprise Volume Activation (KMS and ADBA)

If you encounter issues during activation, ensure:

KMS is designed for (25+ servers or 50+ clients). A KMS host machine activates clients automatically.

The GUI method is the easiest approach for Standard and Datacenter editions utilizing Desktop Experience. Click the and open Settings (the gear icon). Click on Update & Security . Select Activation from the left-hand menu. Click Change product key . Type your 25-character product key into the input field.

| Error Code | Meaning | Solution | |------------|---------|----------| | | KMS server not reachable | Check network, firewall (TCP 1688), and KMS host status | | 0xC004C003 | Product key blocked / invalid | Verify edition match; try a different key | | 0x8007232B | DNS name does not exist | Set KMS server manually: slmgr /skms <server> | | 0xC004F038 | KMS count too low | Need at least 25 Server 2022 systems or 50 Windows clients | | 0x803F7001 | Activation server unavailable | Check internet connection; try later | | 0xC004FC03 | Activation grace period expired | Must activate immediately; clean install may be needed |

Ensure DNS contains the KMS SRV record (_vlmcs._tcp) or that you have the KMS host name/IP.

If you are running the minimalist Windows Server Core installation—or simply prefer command-line efficiency—you can use the Software Licensing Management Tool ( slmgr.vbs ) via an elevated Command Prompt or PowerShell window.

A: No. Each Windows Server version requires its own specific product key.

: Multiple Activation Keys (MAK) are used for a specific number of activations, while Key Management Service (KMS) uses a local host to activate clients within a network.

Automatic Virtual Machine Activation (AVMA) is a feature for Datacenter edition hosts running Hyper-V. It allows virtual machines (VMs) to activate automatically against the Hyper-V host, even if the VMs are not connected to the internet or an internal KMS server.

If you are looking for guidance on specific scenarios like or Active Directory-based activation , I can provide a more detailed breakdown.