MICROSOFT ISATAP x422 and MICROSOFT TEREDO TUNNELING ADAPTER

I have a problem regarding my MICROSOFT ISATAP x422 and MICROSOFT TEREDO TUNNELING ADAPTER.

going to device manager there is a yellow mark on MICROSOFT ISATAP x422 and MICROSOFT TEREDO TUNNELING ADAPTER icon and i was wondering what was wrong.

Please help me.

my ASATAP ADAPTER and TEREDO TUNNELING ADAPTER ARE GONE.


is it ok that these devices does not exist on my computer ??