--- title: "esx.problem.storage.redundancy.lost" description: "Host has lost a path to access the specified storage and the path to storage is either degraded, or no longer redundant. Check the event description and context to confirm the status." canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.storage.redundancy.lost.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Storage Warning > esx.problem.storage.redundancy.lost" dateModified: "2026-09-10" --- # esx.problem.storage.redundancy.lost ## Summary Host has lost a path to access the specified storage and the path to storage is either degraded, or no longer redundant. Check the event description and context to confirm the status. ## Causes Failure of the storage connection cable, disconnect of cable, failure of the physical storage adapter, failure of disk controller, port, and so on. ## Resolutions Refer to this [VMware KB article](https://knowledge.broadcom.com/external/article/388200/datastore-name-showing-as-unknown-during.html#:~:text=Issue%20is%20caused%20by%20incorrect%20permissions%20for%20ioctl,available%20in%20ESXi%208.0%20U3e%20P05%20build%2024674464.) for information on resolution steps. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/), especially the [vSphere Troubleshooting Guide](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-DE119813-63A7-4B68-924D-1ED95F6EFFD7.html), for more information on vCenter event messages and possible solutions.