We have 5 locations total. All 5 locations have Windows 2003 domain controllers and run Global Catalog. 2 locations are full class C subnets, and the other 3 locations are divided equally with one class C that is shared. We are at one of the shared subnet locations. The two full class C locations each run DNS on those domain controllers. There is one PC where we are that cannot ping other network devices by name after rebooting. To fix this, we have to run the ipconfig /registerdns command. We are wondering why the computer cannot see other devices unless we run that command manually. The PC also takes forever to login. The gateway is correct.