I have been seeing these events lately on our Windows 7 PCs. We have 2 domain controllers, Server 2012 and 2003. I think most of these events started after I added the 2012 DC. We were running just the one 2003 DC. I moved DHCP from the 2003 to the 2012. Both servers are AD integrated DNS servers and a third server is a DNS secondary server.
I tried the hotfix from here...
http://support.microsoft.com/kb/2459530
on one PC as a test. It appears to have solved the 1129 event but I still get the 5719 NETLOGON event. I also tried updating the Gigabit NIC drivers on this system but it didn't help. What should I try next?