There is also an entry: HomeSystemName
Dont know for sure which one will help you.

Go to your human.txt in races folder of your mod.
Search for "KnownStartingGalacticHistoryLocations".

Set it to 0

Hope this helps.

<r> Any news on this topic?<br/>
<br/>
I saw this behavior only after messing with the race files.<br/>

<QUOTE><s>[quote]</s>'Expanding: indicates whether this race will colonize new planets or not (Y/N). Set this to 'N' to create a static empire that does not colonize<br/>
Expanding ;Y/N<e ...