--- title: "com.vmware.vc.sms.ThinProvisionedLunThresholdCrossedEvent" description: "Storage provider reported that thin provisioning capacity threshold has been exceeded. A thin provisioned datastore has exceeded the capacity threshold specified for this datastore." canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.sms.thinprovisionedlunthresholdcrossedevent.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > vCenter Server Alarms > Veeam VMware: Thin-provisioned volume capacity exceeded Alarm > com.vmware.vc.sms.ThinProvisionedLunThresholdCrossedEvent" dateModified: "2026-09-10" --- # com.vmware.vc.sms.ThinProvisionedLunThresholdCrossedEvent ## Summary Storage provider reported that thin provisioning capacity threshold has been exceeded. ## Causes A thin provisioned datastore has exceeded the capacity threshold specified for this datastore. ## Resolution Reduce thin-provisioned disks on the datastore, delete unwanted data on the current datastore, or expand the physical storage underlying the datastore. ## External Refer to [VMware VASA Programming Guide](https://code.vmware.com/other-programs/storage/vasa) for more information on VM storage capacity on thin provisioned datastores.