Hello Ali Ansari1,
Thank you for posting in Microsoft Community forum.
To activate your OEM CALs after activating the operating system, please follow the steps below:
- Open the Server Manager on your Windows Server 2022.
- Click on the "Local Server" option on the left-hand side of the window.
- Scroll down to the "Properties" section and click on the "Change Product Key" link.
- Enter the product key for your OEM CALs and click on the "Next" button.
- Follow the prompts to complete the activation process.
Once the activation process is complete, your OEM CALs will be activated and ready to use.
I hope the information above is helpful.
If you have any question or concern, please feel free to let us know.
Best Regards,
Haijian Shan