--- title: "esx.problem.vsan.net.redundancy.lost" description: "The virtual SAN (vSAN) network configuration does not have any redundancy. This may be a problem if further network configuration is removed. One of the network interfaces used for the vSAN network was removed, failed or is inaccessible." canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.vsan.net.redundancy.lost.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Network Warning > esx.problem.vsan.net.redundancy.lost" dateModified: "2026-09-10" --- # esx.problem.vsan.net.redundancy.lost ## Summary The virtual SAN (vSAN) network configuration does not have any redundancy. This may be a problem if further network configuration is removed. ## Causes One of the network interfaces used for the vSAN network was removed, failed or is inaccessible. ## Resolutions Refer to this [VMware KB article](https://techdocs.broadcom.com/us/en/vmware-cis/vsan/vsan/7-0/vsan-monitoring/monitor-the-vsan-cluster/using-the-vmkernel-observations-for-creating-vsan-alarms.html) for troubleshooting steps. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information on vCenter event messages and possible solutions.