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NetFlow Collection Stops

I receive an event from source "NetFlow Receiver Service" stating the following:

"Socket Exception: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full"

After this event, netflow information stops appearing on the website, even though it is still being sent from the routers and even though it was working before.

The temporary fix is to restart the SolarWinds NetFlow Receiver service and things start working until I get this error again. This is happening at irregular intervals. Sometimes 1 day, other times it works fine for a week.

Is anyone else experiencing this problem or know how to fix it?

Thanks,
SamuelB