Problem:
When the client launches functions - Reports / Maintenance / Imports / Exports - CPU takes 100% on one core and Users are knock out of SERP (notification - Lost connection to server).
Is it possible to remake some function to other cores, so they do not disturb others Users? And are there recommendations for server optimization options?

More detailed info:

All Users of the company are connected to File Server by Remote Desktop Connection. Each has their own Desktop and IP address. And from this file server and SERP client they are connecting to SERP server.

They are using Standard ERP 8.3 2017-07-16 Build 83250800
They have two file servers for ~ 30 SERP Global Users. 10 Multi-user company and 5 Single-user company.
Settings in Optional Features - Parallel Reports - Multi Thread and Report Slots - 4


File server parameters:

LV FileServer

Core x 8

RAM 42 Gb.

HDD0 SSD 32 Gb


HDD1 SSD 285 Gb

HDD3 SSD 320 Gb

Network 10Ge (no limit)



LT FileServer

Core x 4


RAM 22 Gb.

HDD0 SSD 20 Gb

HDD1 SSD 60 Gb

HDD3 SSD 215 Gb

Network 10Ge (no limit)
WIN

Server for SERP:

VPS

resources for SERP:


4 CPU(s)

8Gb RAM

256 Gb SSD Disk

Network 10Ge (no limit)

Swich/router Cisco 4900M



Server parameters:

Host;

CPU 2x Intel(R) Xeon(R) CPU 10 CORES E5-2680 v2 @ 2.80GHz


Total CORES - 20

384GB RAM 1600Mhz PC3-12800

Local SSD Storage 6Tb Raid 10

Samsung Enterprise SSD PM1643