--- title: "esx.problem.iorm.nonviworkload" description: "This event indicates that workloads that are not managed by Storage I/O Control (SIOC) congestion management are on this datastore. This may indicate that the datastore is running in an unsupported configuration." canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.iorm.nonviworkload.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Storage Warning > esx.problem.iorm.nonviworkload" dateModified: "2026-09-10" --- # esx.problem.iorm.nonviworkload ## Summary This event indicates that workloads that are not managed by Storage I/O Control (SIOC) congestion management are on this datastore. ## Causes This may indicate that the datastore is running in an unsupported configuration. ## Resolutions Refer to this [VMware KB article](http://kb.vmware.com/kb/1020651) for information on troubleshooting and resolution steps. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information on vCenter event messages and possible solutions.