--- title: "HostDasErrorEvent" description: "vCenter has detected an error with the DAS (Distributed Availability Service) agent service in this vSphere HA cluster. There is a HA error on the host." canonical: "https://helpcenter.veeam.com/docs/mp/kb/hostdaserrorevent.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Cluster Error > HostDasErrorEvent" dateModified: "2026-09-10" --- # HostDasErrorEvent ## Summary vCenter has detected an error with the DAS (Distributed Availability Service) agent service in this vSphere HA cluster. ## Causes There is a HA error on the host. ::: note The event HostDasOk from the vSphere API will automatically close this alert and reset cluster state to *Green*. ::: ## Resolutions Check the status of the HA agent on the host, check network communications between the host and vCenter Server, check shared storage configuration and availability. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information.