Automatic polling not working

Hi,

Opmanager has been working fine up until yesterday.

I added a new custom monitor on to the APC UPS device template to get the current temperature. This monitor works fine and when I manually run a test it correctly reads the temperature. I then applied this template to our UPS devices.

Unfortunately OpManager is now not monitoring any devices at all, no snmp requests are being sent out at all. I've left a wireshark capture running for over 30 minutes and haven't seen any snmp packets leave my machine. However, if I manually test the monitor I can see the packets.

So for some reason, manual polling of devices is working but no automatic polling is happening. How can I diagnose what the problem is here? Are there any logs I should be looking at?

Thanks,

Dave