Many deployments start with the Windows Server 2022 Evaluation edition, which is valid for 180 days. You cannot activate an Evaluation edition directly with a standard product key; you must convert it to the retail version first. Steps to Convert and Activate Open as an Administrator.
If online activation fails because the server has no internet access, use phone activation: how to activate windows server 2022
Which are you using (Retail, OEM, Volume KMS, or Evaluation)? Many deployments start with the Windows Server 2022
If you installed the from the Microsoft Evaluation Center, standard activation will often fail until you convert the edition using DISM . Open Command Prompt (Admin) . If online activation fails because the server has
A small box will appear stating either "The machine is permanently activated" or listing an expiration date if you are configured on a volume KMS network.
The output will typically display ServerStandard or ServerDatacenter . Step 3: Convert and Activate the Server
: You can check if the server is successfully activated by running: slmgr /dlv Microsoft Learn Method 3: Converting Evaluation to Full Version If you are running the Evaluation Edition