>That name comes from you the developer. Name it whatever what you want. ie:
>
>@server = N'Michel_SERVER'
>
>Select * From openquery(Michel_SERVER, ...)
>
>It's a name that you assing to your linked server (sort of a database name).

At first, I had the impression that this was suppose to be the name of something existing. Later on, I found out that this is where it is created.