"Source vCenter Server has instance(s) of non-VMware Distributed Virtual Switch" error upgrading to vCenter Server 6.7 and later

Products

• VMware vCenter Server

Issue/Introduction

Symptoms:

Upgrading to vCenter Server 6.7 and later fails with the error:

Source vCenter Server has instance(s) of non-VMware Distributed Virtual Switch.

 

Environment

VMware vCenter Server Appliance 6.7.x
VMware vCenter Server 6.7.x
VMware vCenter Server 7.0.x

Cause

This is caused by an unsupported distributed switch in the environment such as a Nexus 1000v.

Resolution

To resolve this issue migrate all non-VMware distributed switches to VMware Distributed Switches. The list of Distributed Virtual Switches names that need to be migrated can be found in the vcdb_req.err file located at:

vCenter Server Appliance: /var/log/vmware/upgrade/
Windows vCenter Server: C:\Users\install_user\AppData\Local\Temp\vcsMigration

For more information, see FAQ: Discontinuation of third party vSwitch program