Please don't answer your own posts. If you have more informaiton to add, edit your previous post.
Otherwise you are violating the 6-hour bump
It's easier to do all search bots at once rather than just Googlebot alone.
Go to your ACP, then the "Permissions" tab.
Under "Forum based permissions" click on "Groups' forum permissions".
Select the "Bots" usergroup from the dropdown, and click on "Submit".
Tick the "All forums" checkbox, then click on the upper "Submit" button
Change the dropdown for each forum to "No Access", then click on "Apply all permissions" at the foot of the page.