--- title: "esx.problem.net.vmknic.ip.duplicate" description: "A duplicate IP address was detected on a vmknic interface. A duplicate IP address was detected. Review the exact description to establish the cause of the event. Correct the IP address to eliminate the duplication issues." canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.net.vmknic.ip.duplicate.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Network Warning > esx.problem.net.vmknic.ip.duplicate" dateModified: "2026-09-10" --- # esx.problem.net.vmknic.ip.duplicate ## Summary A duplicate IP address was detected on a vmknic interface. ## Causes A duplicate IP address was detected. Review the exact description to establish the cause of the event. ## Resolutions Correct the IP address to eliminate the duplication issues. Refer to this [VMware KB article](http://kb.vmware.com/kb/1020647) for more information. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information on vCenter event messages and possible solutions.