SiteCollection Owner Group with Full Control+Limited Access is unable to visit the sitecollection home page where as designer+Limited access is able to see
Are you using the publishing feature? If using the publishing feature make sure that you publish the changes
The page should be checked-in. Make sure that the page is not in checked-out state. Go to SharePoint Designer and check in the home page if it is in checked out state.
Shubham Goyal
Proposed as answer byMehmet AydınFriday, October 14, 2011 12:49 PM
Marked as answer byQiao WeiModeratorWednesday, October 19, 2011 9:32 AM