There are a lot of Samsung TV users who are also enthusiastic about using Disney plus. But, they face many issues when they are trying to connect the device with. If you are also stuck on that issue, and here's the solution to it.
You can access the Applications section from the Home screen of your television.
If you use the virtual remote select the search option.
Hit the "disney plus begin code" icon by typing on the screen.
When Disney+ appears, select it, and select it, and click Install.
Log in to your account and begin streaming.
If the Disney Plus is not available on your Samsung TV, then there's an opportunity that their services could have been suspended in a short amount of time, but you can always use the casting or other options available to stream content from the disney plus.