---
title: "vprob.net.proxyswitch.port.unavailable"
description: "vNetwork Distributed Switch (vDS) proxy switch port is unavailable. This may occur as part of VM power on, or if the user attempts to connect a VM vNIC to a dvPortgroup or a dvPort."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/vprob.net.proxyswitch.port.unavailable.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Network Error > vprob.net.proxyswitch.port.unavailable"
dateModified: "2026-09-10"
---

# vprob.net.proxyswitch.port.unavailable

## Summary

vNetwork Distributed Switch (vDS) proxy switch port is unavailable.

## Causes

This may occur as part of VM power on, or if the user attempts to connect a VM vNIC to a dvPortgroup or a dvPort.

The message will contain the vNIC MAC address, the UID of the vDS, and the port number.

## Resolutions

Migrate the virtual machine to a different host. If this is a vendor-specific vDS, consult the vendor documentation for this issue.

## External

Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information on vCenter event messages and possible solutions.