This guide discusses the SNMP protocol in detail & also shows you how to install, enable and configure SNMP service in Windows 11/10.

I have several Windows Server 2008 64-bit VMs that I monitor with MRTG. All of them are working except one - it doesn't respond to anything on port 161. Funny thing, initially it worked, and then ...

SNMP offers little value in Windows Server. You can't get to so much of the valuable data, I'm not surprised to see their ancient implementation of SNMPv2 will go away.