Novell ZENworks 11 Configuration Management Support Pack 1 - ZCM 11 SP1
During an update from 10.x to 11.x, if the migrated Network Envirnonment name is changed, the old one will continue to be migrated until all primaries are finished being updated.
Don't rename Network Environments until all primary servers are updated. Each primary server update runs the migration tool. So renaming a Network Environment will then show both the old and the new names listed.