After enabling SuperAdmin and multisite functionality in WP3 many users are getting redirected to a sign-up url. I do not have account sign-up enabled, how do I turn this off? It seems to happen when any invalid subdomain is used including my-domain.com instead of www.my-domain.com.
How do I fix?
I am answering my own question so others can find it in the future.
defining
NOBLOGREDIRECT
inwp-config.php
to point to the url of your choice will correct this problem.Sample: