No graph are showing Windows 2016 server

graph not show

poller : https://p.libren.ms/view/375c5d21
snmp : https://p.libren.ms/view/b54a170a

What does it mean ? “graph not show” ? Do you have graphs for other devices ? If not, may be your libreNMS instance is not correctly installed.
Polling seems to be OK. Do you have rrd files created in the rrd directory ? does ./validate.php shows error ?
Without any details, we can’t help you unfortunately.

i mean like this …
no data file ?

Still a lot to find out :

of course i have …

rrd : rrd - LibreNMS

librenms@monitoring:~$ ./validate.php

Component Version
LibreNMS 21.3.0-39-g1c379dcd0
DB Schema 2021_02_09_122930_migrate_to_utf8mb4 (205)
PHP 7.4.9
Python 3.8.6
MySQL 10.3.25-MariaDB-0ubuntu1
RRDTool 1.7.2
SNMP NET-SNMP 5.8
====================================

[OK] Composer Version: 2.0.11
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct

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