"TFM" is our friend. I suspected that there was a problem with LDAP, so I opened the online documentation for Open Directory, and under "Maintenance and Problem Solving" I discovered Inspector.
Once I enabled Inspector, switching to the Computer pane displayed those pesky even-numbered hosts...
PowerMac G4/533, MacOS/10.3.9, WGM/2.0.1
We have two problems in WGM:Accounts:Computers
1. In addition to the default "Guest Computers" and "Windows Computers", we have a third group -- "US Lab 602" -- which contains 24 computers (eMacs, if anyone cares), named "US Lab 01" through "US Lab...