Data Collection List

[Peter Jin]

For no apparant reason my data collection list is dropping off a 1/3 of my servers and can no longer get serial info along with logical drive information also. I have double checked the SNMP traps, DNS settings and they are all correct. I have unenabled WBEM protocal and it does not make a difference. I also created a new data collection list and after it ran I get the same results, which is the same servers missing off the report. I am on SIM 4.2 SP2 and started expeirencing these problems 2 weeks ago on SP1 which the upgrade did not correct. Why all of a sudden do these reports start to fail, as nothing as been applied or upgraded?