Service key renewal for ECAT PET ECAM S7 System Customer City Zip code MiE serial No. (Example SN2013/47) MAC address (Example AA:BB:CC:DD:EE:FF) Both, MAC Address and MiE serial number, can be found by doing the following steps:Change to service page of Scintron Desktop, click on button “edit PPC desktopfile” and click on button “Print”. A text file is opened, at on top section of this file you will find MiE serial No. (S/N) and MAC address (MAC). ServiceEngineer E-Mail address to which the license file has to be sent