Device configuration status code: 34

Message: Drive name is already in use by another drive

Explanation: On a request to add or update a drive in the device configuration, the requested drive path was in use on the targeted device host.

To avoid configuring any paths that are already in use, use the Device Configuration wizard (on supported device discovery platforms). The wizard automatically configures the drive paths.
Before you make configuration changes, check the existing drive configuration through a device configuration interface. Or run tpconfig -d to determine the drive paths that are already in use on the targeted device host. Then specify a drive path that is not already in use.