Add (or edit) the following lines in the /etc/system file:
set shmsys:shminfo_shmmax=0xffffffff set shmsys:shminfo_shmseg=128 set semsys:seminfo_semmnu=1024 set semsys:seminfo_semmap=128 set semsys:seminfo_semmni=400 set semsys:seminfo_semmns=1024
These settings affect the number of semaphores and the shared memory. These are more relevant for the machine on which HADB server is running than for Application Server.