InfoPath Dev

In my system the Submit dataconnection is explicitly coded to the "friendly" hostname. If the form is opened in the Infopath client via a different URL, i.e. with an alias for the same host, the submit operation will always fail. The error message names the current user as the "other user" who is locking the file. Since ...

Are you using alternate access mapping for the site? For example, "intranet:66666" and "myhost.mydomain.local" and "myhost" all point to the same site collection. If the form's dataconnection points to "myhost," and user accesses a previously submitted form with IE at the hostname ...