WMI Authentication

Hi there all,

I'm just testing OpManager in my company, very nice tool !!

I'm encountering a strange "problem" about WMI authentication on a couple of servers.
All seems configured correctly but when I test the credentials, I get PASSED from SNMP and FAILED from WMI.
I've inserted the domain\username convention as done for other servers working fine.
Am I missing any parameter on the target machine? I've compared with other machines that authenticate correctly but I didn't find anything different

Thanks for your help

DM