1-wire temperature sensor not work

Hello all
I add 2 new sensor (1-wire DS18B20 )to wd as extratemp 5,6 but WD not read their temp value
extratem 2,3,4 work
in OneWireViewer values are correctly
exist any log of reading ?

thanX

M.

OS W2K SP4
WD 10.37f

has wd found and allocated them?
for extra temp 1 wire sensor, the freq of polling gets progressively slower , i.e sensor 6 is polled less often than sensor 5

I now try change #5>>#4 #6>>#5 and #4>>#6 now 4,5 work maybe problem on previous 4 not work

ThanXs

M.