The batch file is your startup parameters. Whatever is in the batch file is what starts the server.
If your server company gives you access to the command line parameters all they are doing is giving you access to editing the batch file but through a browser rather than ftp access.
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Bots through the webadmin do seem to be fubar.
However, I found that by adding minplayers=x to the url option at the change map screen. Then when you force the map change, bots will appear and will work.......but only until the next map![]()