--- title: "MtuMismatchEvent" description: "Value of MTU configured in the vSphere Distributed Switch mismatches physical switch. There is an issue with the vSphere Distributed Switch configuration. Review the event description for detail on the cause." canonical: "https://helpcenter.veeam.com/docs/mp/kb/mtumismatchevent.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Network Error > MtuMismatchEvent" dateModified: "2026-09-10" --- # MtuMismatchEvent ## Summary Value of MTU configured in the vSphere Distributed Switch mismatches physical switch. ## Causes There is an issue with the vSphere Distributed Switch configuration. Review the event description for detail on the cause. ## Resolutions Review VMware online documents such as [vSphere Distributed Switch Health Check](https://www.bing.com/search?q=vSphere+Distributed+Switch+Health+Check&cvid=5ad22610c8714b33bc3558fdc14711b5&gs_lcrp=EgRlZGdlKgYIABBFGDkyBggAEEUYOTIGCAEQABhAMgYIAhAAGEAyBggDEAAYQDIGCAQQABhAMgYIBRAAGEAyBggGEAAYQDIGCAcQABhAMgYICBAAGEAyCAgJEOkHGPxV0gEHNzY5ajBqNKgCCLACAQ&FORM=ANAB01&PC=U531) to resolve issues. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information.