Unable to access vCenter Managed Object Browser (MOB), VCF 9.x

Products

• VMware vCenter Server

Issue/Introduction

• After upgrading to 9.0, vCenter MOB is not accessible.
• Accessing MOB via web browser (https://vcenter-fqdn/mob/) will show below message:

                The MOB is disabled

      The Managed Object Browser on this server is currently diabled

Reference screenshot:

Environment

• VMware vCenter Server 9.x

Cause

• The Managed Object Browser (MOB) is deactivated by default in VMware Cloud Foundation (VCF) 9.0 to comply with Security Technical Implementation Guide (STIG) requirements
  
  
• Refer VCF 9.0 Release Notes - [Section: vCenter New Features-> vCenter Appliance]

Resolution

Enable the mob on vCenter 9.0

1. Connect to your VCSA via SSH
   
   
2. Backup the VPXD Configuration file
   
   # cp /etc/vmware-vpx/vpxd.cfg /var/core/vpxd.cfg_backup
   
   
3. Edit the Configuration File: Open the vpxd.cfg file using a text editor (e.g., vi)
   
   # vi /etc/vmware-vpx/vpxd.cfg
   
   
4. Identify the flag "enableDebugBrowse". If it is set to false, change it to true as shown below (or) if the flag "enableDebugBrowser" itself is missing, then add it to the config as shown below
   
      <vpxd>
   ...
     <enableDebugBrowse>true</enableDebugBrowse>
      ...
   </vpxd>
   
   

         

     5. Save and close the file: wq!

     6. Restart the vCenter Server Service (vpxd)

       # service-control --stop vpxd
       # service-control --start vpxd

Additional Information

• If you encounter error message: 'The endpoint "/mob" is no longer supported.', proceed to add "/" at the end of URL: (https://vcenter-fqdn/mob/)

 

Japanese KB: "The MOB is disabled": VCF 9.0 で vCenter MOB にアクセスできません