If your Event Viewer log says DCOM got error "87" attempting to start the service GamingServices, follow the solutions ...

Thanks, that was the problem. I forgot that about a week ago I had edited my Group Policies and disabled Windows Messenger. I change it from disabled to "not load on startup" and it works fine now.

I have four CentOS 5.2 servers running Samba with Active Directory authentication, several Macintosh OSX workstations/laptops (10.4 & 10.5) that are joined to the domain. The plan is to shortly ...