Deployment of VCF 9.1 fails on Generate VCF Domain workflow Input data

Products

• VMware SDDC Manager / VCF Installer

Issue/Introduction

VCF deployment failing on Generate VCF Domain workflow Input data with error:

A problem has occurred on the server. Please retry or contact the service provider and provide the reference token. Reference Token:
A problem has occurred on the server. Please retry or contact the service provider and provide the reference token. Reference Token:

From the VCF Installer Logs we see the following issue. we can see the following: /var/log/vmware/vcf/domainmanager/domainmanager.log

Fetching System Info data from inventory
YYYY-MM-DDTHH:MM:SS.000+0000 ERROR [vcf_dm,] [c.v.e.s.common.util.NetworkService, dm-exec-1156] Host <VCENTER_FQDN> cannot be resolved <VCENTER_FQDN>: Temporary failure in name resolution

 

Nslookup check from VCF Installer vm to the vCenter returns connection refused :

root@vvf-installer@1 [ /var/log/vmware/vcf/domainmanager ]# nslookup <VCENTER_FQDN>
; communications error to :: 1#53: connection refused
communications error to :: 1#53: connection refused
communications error to :: 1#53: connection refused
communications error to 127.0.0.1#53: connection refused
no servers could be reached
root@vvf-installer01 [ /var/log/vmware/vcf/domainmanager ]# nslookup <VCENTER_IP>
;; communications error to :: 1#53: connection refused
;; communications error to :: 1#53: connection refused
communtcations error to :: 1#53: connection refused
communications error to 127.0.0.1#53: connection refused
no servers could be reached

 

Environment

VMware Cloud Foundation 9.1 

Cause

No DNS Server configured for the VCF Installer

Resolution

Configure DNS Server on the VCF installer. 

• Edit the /etc/resolv.conf
  • vi /etc/resolv.conf
• Enter DNS server
• Save and quit
  • Esc :wq!
• Retry deployment