On 04/04/12 20:10, rui.favas at barclays.com wrote: > Using RabbitMQ 2.8.1 - how do I increase the Socket descriptors from 829 It's an OS-imposed limit, so it depends on your OS. On Linux you would typically edit /etc/security/limits.conf - see "man limits.conf". Cheers, Simon -- Simon MacMullen RabbitMQ, VMware