<p>A connection string in the form of a fully qualified domain name (FQDN), such as <code>www.example.com</code>.</p> <important> <p>After you create a connection string, it is always associated to your Amazon Web Services account. You cannot recreate the same connection string with a different account, even if you delete all instances of it from the original account. The connection string is globally reserved for your account.</p> </important>