Kevin Kimani wrote : [...]

Would like to generate the ticket number in both letters and numbers, for example, AA01 till ZZ99. [...]

Hi Kevin, AFAIK this is not configurable, please see Sysconfig parameter Ticket::NumberGenerator. IMHO you would have to write your own number generator, please see /otrs/Kernel/System/Ticket/Number/. If you do so pleaser consider sharing the code. Regards Alexander -- radprax Gesellschaft fuer medizinische Versorgungszentren mbH, Bergstr. 7 - 9, 42105 Wuppertal, Fon: +49 202 2489 1110, Fax: +49 202 2489 94 1119 Geschaeftsfuehrer: Andreas Martin, Dr. med. Heiner Steffens, Dr. med. Renate Tewaag Amtsgericht Wuppertal: HRB 19359, St.-Nr.: 132/5889/0264, DE 814559152 Web: http://www.radprax.de