Kentico home page shows 404 but admin works fine

I'm new to Kentico and can't seem to get the home page to load correctly, it just returns a 404. I have a site setup in IIS and I have know the app pool has access to the database I'm using for Kentico because when I change it I do see the Kentico error page about SQL access. Once I fix SQL access and reload the page, it shows a 404 again.

For example, if I access dev.mydomain.com in a browser, I get the browser 404. If I access dev.mydomain.com/admin it takes me to the Kentico admin section correctly.

There is a site setup in the Kentico settings with the correct domain alias. I have a licence for that alias too. All the tables in the DB appear correct.

What I've tried/checked so far:

• There is a home page setup in the content tree
• I have a default alias set to the home page path
• runAllManagedModulesForAllRequests="true" is set in web.config

Any suggestions would be much appreciated.