I have the same issue on OST 1.9.12osTicket Version v1.9.12 (19292ad)Web Server Software ApacheMySQL Version 5.5.44PHP Version 5.3.3-7+squeeze28After transfer Ticket to other Department only Department manager got alert, Department Members not.I tried solutions #2356https://github.com/greezybacon/osTicket-1.8/commit/c880377cb16e396d043a00e375d8f0e33e9b3532but not works for me.I tried solve the problem in code but I didn't have succes and now I'm eager waiting for 1.10 - I hope that will solve the problem.But if someone have solutions - It will be very welcome.