The TurnkeySettings.xml goes into this dir

TurnkeySettings:

<?xml version="1.0" encoding="utf-8"?>
<root>
  <ApplicationName>NameOfAppForTitleDisplay</ApplicationName>
  <MDrivenServerUser>a</MDrivenServerUser>
  <MDrivenServerPWD>pwdForYourServer</MDrivenServerPWD>
</root>


You can also put a file named MDrivenServerOverride.xml with this content

<?xml version="1.0" encoding="utf-8"?>
<root>
 <MDrivenServerOverride DrivenServerPWD="somepwd">urlfortheMDrivenServer</MDrivenServerOverride>
</root>