---
title: "com.vmware.vc.host.problem.vFlashResource.reachthreshold"
description: "The host virtual flash resource usage exceeded the threshold. The virtual flash cache fill percentage has reached the specified threshold. Lack of available virtual flash cache can cause issues with storage performance."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.host.problem.vflashresource.reachthreshold.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > vCenter Server Alarms > Veeam VMware: Host vSphere Flash resource usage Alarm > com.vmware.vc.host.problem.vFlashResource.reachthreshold"
dateModified: "2026-09-10"
---

# com.vmware.vc.host.problem.vFlashResource.reachthreshold

## Summary

The host virtual flash resource usage exceeded the threshold.

## Causes

The virtual flash cache fill percentage has reached the specified threshold.

## Resolution

Lack of available virtual flash cache can cause issues with storage performance. Add more capacity to the existing virtual flash resource. See [VMware Online Documentation](https://docs.vmware.com/en/VMware-vSphere/index.html#com.vmware.vsphere.storage.doc/GUID-392BFA2C-CC7A-40BC-BC33-4089714E3B81.html) on the virtual flash resource.

## External

Refer to [VMware Online Documentation](https://docs.vmware.com/en/VMware-vSphere/index.html#com.vmware.vsphere.storage.doc/GUID-392BFA2C-CC7A-40BC-BC33-4089714E3B81.html) and [VMware KB article](https://techdocs.broadcom.com/us/en/vmware-cis/vsphere/vsphere/7-0/vsphere-storage-7-0/using-flash-devices-with-esxi-hosts/using-virtual-flash-resource-in-vsphere-environment.html) for more information on the virtual flash resource.