Follow the steps below to add Password and Admin Password to your Stationeers Server.
Step 1:
Go to Configuration Files
And select the Settings.xml (TEXT EDITOR)


Step 2:
Put your server password in line 69, and line 70 for the admin password if necessary.
Follow this format along with the other scripts:
<ServerPassword>inputpasswordhere</ServerPassword>
"You can also change the server name from this section.
Step 3:
Hit SAVE & EXIT, and Restart the server for the changes to be applied.
"Note: Adjusting Max Players won't have any effect. It might cause the server some issues"