Moin,
erstmal schonmal danke für die ganzen antworten hier 
C:\ProgramData\checkmk\agent\config\logwatch.cfg
# Copyright (C) 2019 Checkmk GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.
"C:\temp\logs\dca.log" overflow=C maxfilesize=5120 maxoutputsize=5120
W INFO
W WARN
C .*ERROR.*
C Error
cmd mit admin: check_mk_agent.exe test
[[[Windows PowerShell]]]
<<<>>>
<<<logwatch>>>
[[[C:\temp\logs\dca.log]]]
BATCH: 1712817375-072242160036187227247028133114237137162028254070
. ** 2024-04-10 00:00:35.9541 Engine 1.5.7.9296. Process 3316
W 00:00:35.6729 INFO [Stats] Engine up 09:30:17.2475825 using 64.1MB memory
W 00:00:35.6729 INFO [Stats] Monitoring 1432 (0 not yet scanned) values across 63 (63 devices have all raw values and 0 devices have no scan instructions) devices of 63 discovered
W 00:00:35.6729 INFO [Stats] Scan jobs: 0 due now (0 first scan, 0 more than a minute late); 0 due within 00:05:00
W 00:00:35.6729 INFO [Stats] SNMP: 0 queued
<<<>>>
<<<systemtime>>>
1712817388
bekomme also durchaus daten aus dem log ausgelesen. Auf dem Server im OMD environment
cmk -d hostname oder ip
[[[Windows PowerShell]]]
<<<>>>
<<<>>>
<<<systemtime>>>
1712817425
warum auch immer fehlt hier logwatch. Laut: BUG: mk_logwatch ab 2.1.0p10 auf Windows komplett funktionsunfähig - #48 by SergejKipnis allerdings gefixt.