This is a read-write Integer32 that sets the lower boundary value for bin 5 of an ESA probe's live distribution-statistics histogram, which buckets measured SLA sample values (such as delay or jitter readings) into ranges. An administrator adjusts it to control which measurements fall into bin 5 versus its neighboring bins, letting them tailor the histogram resolution to the traffic profile being monitored. For example, a technician profiling round-trip delay might set esaProbeDistStatsConfigLowBoundOfBin5 to 40 (ms) so samples of 40ms and above start counting toward bin 5 instead of bin 4.