Issue
Windows Server can report 64/128 cores (via multiprocessing.cpu_count), and we create importers based on number of cores. This had the effect of bringing a 1-core Windows Server 2012 R2 VM to its knees as it created 60+ importers.
The logic to determine number of importers does not work in our current 19.09 and 19.12 EM.
<br>
Workaround
You will need to hard code the importers by setting environment variable _ESM_NUM_IMPORTERS equal to 4 or 8 or 12 (depending on # of servers they have).
I would suggest using 4 for anything under 400 servers. Under 1000 use 8 and anything greater than 1000 use 12.