VCF on VxRail: How to Collect SDDC Manager Logs in VCF Using SoS Utility

Summary: Collect VMware Cloud Foundation (VCF) SoftwareDefined Data Center (SDDC) Manager logs using the Supportability and Serviceability (SoS) utility, accessible by SDDC Manager login, and download logs with WinSCP. ...

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Instructions

How to collect SDDC Manager logs in VCF.

  1. Log in to the SDDC Manager with the account VCF
  2. Switch to root
  3. Run the command:
/opt/vmware/sddc-support/sos --sddc-manager-logs

Example:  
root [ /nfs/vmware/vcf/nfs-mount/bundle/0e0b6d5b-6c6f-449f-bb1e-06a36727c012/manifest ]# /opt/vmware/sddc-support/sos --sddc-manager-logs
Welcome to Supportability and Serviceability(SoS) utility!
Performing SoS operation for MGMT domain components
Logs : /var/log/vmware/vcf/sddc-support/sos-2020-05-11-10-51-45-3374
Log file : /var/log/vmware/vcf/sddc-support/sos-2020-05-11-10-51-45-3374/sos.log
Log Collection completed successfully for : [VXRAILMANAGER, API-LOGS, VCF-SUMMARY]
Operation failed for : [SDDC-MANAGER]
For detailed report please refer : /var/log/vmware/vcf/sddc-support/sos-2020-05-11-10-51-45-3374/report.json
  1. Use WinSCP to go to the location below, and download the file sos-2025-05-11-10-51-45-3374 (this file name may be different based on the Date & time):
 /var/log/vmware/vcf/sddc-support/
  1. The above command fails if there is an active workflow task running.
Example:  
root@[ /var/log/vmware/vcf/domainmanager ]# /opt/vmware/sddc-support/sos --sddc-manager-logs
Welcome to Supportability and Serviceability(SoS) utility!

Found active workflow: XXXXX002 is ACTIVATING

Please ensure there are no workflow runningduring SoS execution, executing SoS operations during running workflows may yield unexpected errors.
Restart SoS operation after workflow completion or use --force flag to continue (--force not recommended).
  1. Run the command to generate the command forcefully:
/opt/vmware/sddc-support/sos --sddc-manager-logs --force
  1. Once the log collection is complete, use WinSCP to go to the SDDC Manager and to the path below. Download the logs. 
/var/log/vmware/vcf/sddc-support/

Additional Information

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Affected Products

VxRail E560 VCF, VxRail E560F VCF, VxRail E560N VCF, VxRail G560 VCF, VxRail G560F VCF, VxRail P570 VCF, VxRail P570F VCF, VxRail P580N VCF, VxRail S570 VCF, VxRail V570 VCF, VxRail V570F VCF
Article Properties
Article Number: 000021269
Article Type: How To
Last Modified: 06 May 2026
Version:  8
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