When attempting to convert a local disk to a Provisioning Services vDisk, the conversion process may fail with "Failed to convert!".

The log shows the following error:

Initializing volumes...
Discovering Volumes...
Workload name is SERVER.
Destination is \\?\Volume{2c033e1e-25af-11df-b6e0-005056ad45b3}.
Using backup functions to copy files.
Volume to Volume started at Tuesday, 2 March 2010 11:53:37 AM
Checking for processes that will interfere with the conversion...
Formatting volumes...
Formatting volume 1 of 1...
Format Notification (0x00000008): 
Format Notification (0x0000000b, 0xaef66000): 
FormatEx failed with result code 0x00000000
*** Enabling Automount may resolve the issue. Please refer to the XenConvert Guide for details.
Volume to Volume stopped at Tuesday, 2 March 2010 11:53:37 AM
Physical to Disk stopped at Tuesday, 2 March 2010 11:53:37 AM
Physical to Provisioning Service vDisk stopped at Tuesday, 2 March 2010 11:53:37 AM
Failed to format volume \\?\Volume{2c033e1e-25af-11df-b6e0-005056ad45b3}!  <System message text was not found> (0x00000507)

Automount is enabled, despite the above suggestion.

Disable antivirus software or manually format the destination Provision Services vDisk before running the conversion.