This article provides information on downloading the VMware SNMP MIB Modules.
Loading mib files *-AGENTCAP-MIB.mib fail in 3rd party management systems.
AGENTCAP mib files do not convey actual APIs, only relate what VERSION of an ESXi, NSX, VCVA
supports what VERSION of a MIB file (IF-MIB, VMWARE-SYSTEM-MIB, etc).
To resolve this issue, Download and extract the VMware SNMP MIB Module "VMware-mibs-8.10.0NX-24235044.zip" file attached in this article.