Not sure how important NetBIOS is, but what do you mean by "the registry has to be set up"? Is it something that needs to be added to wine.inf and/or something added to winecfg? Or, would just documenting it be the solution? I'm pretty sure we have no docs on it right now.
You have to set up the WINS servers, if you use them. This isn't documented except in the code (dlls/netapi32/nbt.c.) It's marked with the usual @@ Wine registry key tag. There are some other things you can tweak if necessary. I suppose this could go into winecfg. It can't go into wine.inf, because we can't guess correct values.
--Juan
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