Hi Daniel, please excuse my late answer and thanks for the info. We have installed OMSA 8.5 and SNMP on the Server and every thing is fine. Regards Norbert 
Hi, we have installed ESXi 6.5 on a R720 with the latest ISO from Dell. - In OME 2.3 i can see the Server over iDRAC but it showing a ESXi 6.0 OS. - with a Discovery over WS-MAN + SNMP (ESXi Host + Guests) there are no results - jf i want to connect to the Server over OMSA 8.5, it show the following error message: Login failed. Regards Norbert  
OMSA 8.5 Login faild