Just an FYI, but Sunbelt hosts a Mac-NT list that specifically is about running Macs in an NT/2000 environment: http://www.sunbelt-software.com/mac-nt-list_charter.htm
Maybe someone there has dealt with these issues and could be of some help. Just an idea... Jon Bonner List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm