I have literally started using InDesign today.
Now when I Import/Place a vector file (logo) into the page, it rasterizes. Why is it not keeping the vector properties such that it will never rasterize?
What format is the vector logo that you think is being rasterized by InDesign? What makes you think it is being rasterized? What do you see in Acrobat if you export PDF?
Note that if you place non-editable content into InDesign, what you see on-screen depends on the settings you have for such content which by default is not for the highest quality.
I suspect what you are seeing is the default "Typical" quality screen preview, which will be awful.
View > Display Performance > High Quality Display. (This is still a raster preview, but it will look much better. ID outputs the vector data as vector, not raster, as lng as the link is up to date). YOu can set this as the default viewing qualaity in the application prefs.
The vector file is a normal .ai file. It looks fine as pdf and all, but when importing it into InDesign (place) it looks rasterized- and the bigger I scale it, the worse it looks. It looks like an image beign stretched with rough edges...