Start with an older upgrade. Just find the newest upgrade that has a NAC file and use it. Then you can update to dmf files. Someone correct me if I'm wrong Steve B steve (at) neteze.com -----Original Message----- From: usr-tc-admin@mailman.xmission.com [mailto:usr-tc-admin@mailman.xmission.com]On Behalf Of Travis M. Best Sent: Tuesday, November 26, 2002 4:59 AM To: usr-tc@mailman.xmission.com Subject: [USR-TC] Upgrading NMC I currently have a nmc with firmware version 6.1.17 and I am unable to upgrade it due to that fact that the tcm software wants a nac file instead of the dmf file that I have how do I upgrade this nmc can it be done?? Thanks, Travis Best