I'm also having problems. I have been unable to generate dissolved multiple ring buffers using version 9.3.1 (which I gather is a well known bug) so I tracked down another machine with version 10. So far no success using the XY data attached. I'm trying to draw buffers at 18, 29 and 35m around each point, the tool produced an 18m buffer which didn't have any relation to the data points and was just a large rectangle somewhere on the screen. Please help! Jamie
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