Adding registry key via GPO creates but not affects to the system?

Question

I could not give a detailed title to my question. But my problem is: I'm trying to add keyboard languages from Group Policy (Windows Server 2012R2) with Registry. I added like below:

Then I check (as a domain user), the key is created in Registry:

but not visible in the taskbar:

What could be the problem (or how can I solve the problem) ?

Answer 1

You have to name it "3" in your case, "1" for default.

Find more information in Esa Jokinens answer on this Post.

And also consider setting it in HKEY_CURRENT_USER.