Probably going to need more info.
The errors you're getting.
Connection Type: Direct, Internet ID. If Internet ID, is it the public servers or self hosted?
Are You using IP addresses in the viewer, or DNS or computer names?
Have you re-booted everything? Computers, Routers, Modems, Switches.
Have you cleared the DNS caches on all computers?
Please elaborate on being "locked out".
Maybe we can help you with this info.
