Minecraft switch version(Bedrock edition) can't Login microsoft account

I'm korean. I can't use English very well.Please read all text.

I buy Nintendo switch. And I buy Minecraft switch version(Bedrock edition).

I play minecraft.It's very good.But,I want to Multiplay with had minecraft PE(BE)people.

then, I must minecraft [Login to microsoft account]. site link(https://aka.ms/remoteconnect)

I try one.

It's fair.because error.

I try two.

It's error.

I make another microsft account.

And, I login to another microsoft account.

but, appeared same error.

How can I Login to microsoft account for Minecraft switch version(BE)?

:)