---
title: "esx.problem.net.heap.belowthreshold"
description: "Heap free size dropped. Review the exact description to establish the cause of the event. Consider increasing the amount of heap memory. Refer to this VMware KB article for more information."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.net.heap.belowthreshold.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Network Warning > esx.problem.net.heap.belowthreshold"
dateModified: "2026-09-10"
---

# esx.problem.net.heap.belowthreshold

## Summary

Heap free size dropped.

## Causes

Review the exact description to establish the cause of the event.

## Resolutions

Consider increasing the amount of heap memory. Refer to this [VMware KB article](http://kb.vmware.com/kb/2239) for more information.

Review VMware online documents such as [vSphere Networking Guide](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-35B40B0B-0C13-43B2-BC85-18C9C91BE2D4.html) and [vSphere Troubleshooting Guide](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-DE119813-63A7-4B68-924D-1ED95F6EFFD7.html) to resolve host network issues.

## External

Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information on vCenter event messages and possible solutions.