Error:
VMware Virtual Mount Service Extended Error: 50
Resolution
These errors are part of normal VCB activities and can safely be ignored.
Error 1 is a standard windows error code which translates “ERROR_INVALID_FUNCTION”
Error 21 is a standard windows error code which translates “ERROR_NOT_READY”
Error 50 is a standard windows error code which translates “ERROR_NOT_SUPPORTED”