--- title: "esx.problem.coredump.unconfigured" description: "No vmkcore disk partition is available and no network coredump server has been configured. Host core dumps cannot be saved. A diagnostic partition or a network core dump server is not configured for this host." canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.coredump.unconfigured.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Warning > esx.problem.coredump.unconfigured" dateModified: "2026-09-10" --- # esx.problem.coredump.unconfigured ## Summary No vmkcore disk partition is available and no network coredump server has been configured. Host core dumps cannot be saved. ## Causes A diagnostic partition or a network core dump server is not configured for this host. ## Resolutions Configure network core dump server or a diagnostic partition for the host. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information on vCenter event messages and possible solutions.