To get the sitemap to work you need to enable the Google Sitemap module first from within the Modules area.
You'll then be able to go to the the url/sitemap.xml and use this for Google Webmaster Tools, etc...
Example:
To get the sitemap to work you need to enable the Google Sitemap module first from within the Modules area.
You'll then be able to go to the the url/sitemap.xml and use this for Google Webmaster Tools, etc...
Example: