VDT Tool fails to download ESX binaries from an offline depot in a VCF 9.1 environment

Products

• VMware SDDC Manager / VCF Installer

Issue/Introduction

• A Network Proxy server is in use
• All required Broadcom URLs are whitelisted on the Network Proxy.
•  
• Other required binaries downloaded without issue
• ESX downloads fail with error:

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

• The /opt/vmware/vcf/lcm/vcf-download/log/vdt.log includes the following entries:

2026-05-28T11:06:40.610+0000 [main] ERROR [com.vmware.evo.sddc.lcm.tools.bundletransferv2.exceptionhandler.ExecutionExceptionHandler] Application failed.
com.vmware.evo.sddc.common.core.error.InternalServerErrorException: A problem has occurred on the server. Please retry or contact the service provider and provide the reference token.
......
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65)
Caused by: com.vmware.evo.sddc.lcm.depot_auth.exceptions.DepotAccessTokenIOException: java.net.SocketException: Network is unreachable

 

Environment

VCF 9.1

Cause

• Where other binary downloads have succeeded this issue can be caused by a transitory network issue, indicated by the "Network is unreachable" entry in the vdt.log.

Resolution

• Please engage your Network team to analyze the proxy-to-URL traffic
• The downloads may succeed after a period of time.