ERROR: The source appliance FQDN must be the same as the source appliance primary network identifier

Products

• VMware vCenter Server

Issue/Introduction

• Prechecks fail during upgrade to vCenter Server 7.0, 8.0 with the following message.
  
  The source appliance FQDN must be the same as the source appliance primary network identifier.
  
• Pre checks fail for Phase 2, indicating the name of the current vCenter server must match the appliance primary network identifier

Environment

VMware vCenter 7.0.x

VMware vCenter 8.0.x

Cause

This is caused by case sensitivity in the appliance management service.

Resolution

Attention: Take snapshot for vCenter Appliance before below actions.

1. To resolve this issue, connect to the vCenter Appliance via SSH and update the FQDN to match the case of the PNID.
   
   
2. Use vmafd-cli to get the PNID value
   /usr/lib/vmware-vmafd/bin/vmafd-cli get-pnid --server-name localhost
   
   
3. Run the VAMI network configuration tool
   /opt/vmware/share/vami/vami_config_net
   
   
4. Choose option 3, "hostname"
   
   
5. Input the PNID output from step 2
   
   
6. Retry the Upgrade