Hey There , i have Kxtda100 version 5.0003, and i have been using PBX Unified Maintenance Console Vers. 7.7.1.0, and it works for the TDA30 Ver.3.xx , but will not connect with the TDA100 Ver. 5.0003. Window pops up with Program not installed properly Code E000012, What could be the issue ,, its not saying can't find driver. I am connecting with USB,, Windows XP pro ,, works with TDA30 Ver.3.IF you can email a copy i need to get this working ,, many THANKS,, EMAIL: [email protected]