Symptoms:
FAILED: Unable to create a VSS snapshot of the source volume(s). Error code:2147549183 (0x8000FFFF)FAILED: Unable to create a VSS snapshot of the source volume. Error code 2147754774(0x80042316)
Failed to create atomic Snapshots
Note: Converter agent logs are typically located in Documents and Settings\All Users\Application Data\VMware\VMware vCenter Converter Standalone\logs.
VMware vCenter Converter Standalone
This is a known Microsoft issue.
This issue may occur when there are problems with Volume Shadow Copy Service (VSS) on the Windows operating system.
To resolve this issue, isolate the issue using the NT Backup Utility. For more information, see the Microsoft TechNet article Using the Windows NT Backup Utility.