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Third-party backup software using VDDK 5.1 may encounter backup/restore failures (2039931)
- Backup jobs may fail or hang
- Restore Jobs may fail or hang
Currently, there is no workaround or resolution available. This article will be updated as information becomes available.
For more information, see the VDDK 5.1 Release Notes, which describes this issue:
Hang in connect or cleanup due to intermittent race condition.For more information on this issue and support, see the vSphere Blog post, Setting the Record Straight on vSphere 5.1 Backup and Recovery Support.
Windows processes can sometimes hang when calling
VixDiskLib_Cleanup()due to a race condition while loading or unloading libraries. There is no known workaround.
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