Virtual machine lost network when one physical adapter went down

Products

• VMware vCenter Server

Issue/Introduction

VM lost network access when one physical adapter manually disabled.

Environment

8.x

Cause

Port group configured with only one uplink as active.

Resolution

Port group has to be configured with more than one uplink if the network needs a failover.

1. Below is the example of port group configured with only one uplink in Teaming and failover configuration:
   
2. Failover and teaming configuration needs more than one uplink, refer below configuration settings for reference:
   

Refer Techdoc for more information.