When installing the Sentinel on a windows this with the fails: Error: The system cannot find the file specified

Products

• VMware HCX

Issue/Introduction

Went installing the Sentinel on a Windows box, this failed to install, we'll see the following error:

sentinelService.log ( this is on the OS) 

 ERROR   getSoftwareKeyValueString: Failed to get string value for value name: [SentinelServiceRunMode] under key: [VMware, Inc.\HCX\OSAssistedMigrationService]. Error: The system cannot find the file specified.
2025-06-10T14:04:29.487-0500    WARN    Failed to get run-mode for sentinel service. Error: The system cannot find the file specified.. Defaulting to sentinel service mode
2025-06-10T14:04:29.487-0500    DEBUG   Entering main.runAsSentinelService()
2025-06-10T14:04:29.487-0500    DEBUG   Entering vmware.com/hybridity/sentinel/windows/syncMgr.(*syncManager).Prepare()
2025-06-10T14:04:29.488-0500    WARN    Sync is not enabled. Nothing to be done here ..
2025-06-10T14:04:29.488-0500    DEBUG   Leaving vmware.com/hybridity/sentinel/windows/syncMgr.(*syncManager).Prepare()
2025-06-10T14:04:29.488-0500    DEBUG   Leaving main.runAsSentinelService()
2025-06-10T14:04:29.488-0500    DEBUG   Entering vmware.com/hybridity/sentinel/windows/sentinelUpgrader.GetLastUpgradeRecord()
2025-06-10T14:04:29.508-0500    ERROR   Failed to get windows volumes: Class does not exist.
2025-06-10T14:04:29.508-0500    ERROR   Failed to get volumes. Error : Class does not exist.
2025-06-10T14:04:29.508-0500    ERROR   Failed to get file-systems for FS Usage calculation. Error: Class does not exist.
2025-06-10T14:04:29.508-0500    WARN    fetchAndUpdateFSUsage failed first time with error Class does not exist.. Ignoring it...

Environment

VMware HCX 

Microsoft Windows 

Cause

This is an issue with Windows 

Resolution

Reboot the Windows box. If this does not solve it, reach out to Microsoft for more assistance