My guess is that your firewall at work has disabled UPNP or blocked some of the ports necessary to accept Back to My Mac connections.
http://support.apple.com/kb/HT1552 > On Aug 31, 2013, at 7:28 AM, "Dinse, Gregg (NIH/NIEHS) [V]" > <di...@niehs.nih.gov> wrote: > > Hi, > > Is this list still active? I have not seen many posts for quite a while. I > posted 2 questions over the past couple weeks and did not get a single reply > to either, which is unusual. Oh well, let me try again with a third question. > > I use Back To My Mac (B2MM) to connect my Mac Pro at home and my Mac Pro at > work. It's nice for working from home, since it allows me access to all my > files at work. I use both screen sharing and file sharing. It's always been > a bit flaky, though, with respect to its availability. It often works fine > for a few days and then stops working. By that, I mean the icon for my > machine at work does not show up in the sidebar of my Finder at home, so I > can't connect. That is the case right now (and for the past few days). When > I was at work yesterday, I could connect from work to home. But usually I > want to connect from home to work, and that is not available right now. So > it's not a symmetric problem. > > In some of those cases, it turns out that my machine at work is frozen. > After I power it off (ungracefully) and back on, then B2MM works again. > Yesterday, however, the machine at work seemed fine (and could connect to > home), but when I got home again, I still could not connect to work. > > Does anyone know how to get B2MM functioning again? I have tried rebooting > several times (both machines). I tried unchecking and then rechecking the > B2MM box in System Preferences. Is there some trick that I can use to get it > going again? > > Thanks, > > Gregg > > _______________________________________________ > MacOSX-talk mailing list > MacOSX-talk@omnigroup.com > http://www.omnigroup.com/mailman/listinfo/macosx-talk _______________________________________________ MacOSX-talk mailing list MacOSX-talk@omnigroup.com http://www.omnigroup.com/mailman/listinfo/macosx-talk
