upD8R I have two ideas that do not work:
First, I'd set the Windows Search service to delayed-auto start. This is already the default, so it will not help.
Second, I'd try manual start with a trigger: sc.exe triggerinfo WSearch "start/device/4d36e967-e325-11ce-bfc1-08002be10318/{41D33169-5A81-4b4e-8571-3BE1B64F905B}\VirtualStorage"
. The first GUID is constant (it just means "Disk drives"), the second may be specific to the PC in front of me. You find it in the device manager, properties of the "Callback Technologies Virtual Storage" under "Disk drives", Details, Hardware IDs. Then it will start when that device has come into existence. Since there are plenty of other things in the system that will start the service when they want, rather than when you want, this does not work either. (I mean, it works to start the service if it is not running yet, but it will be running.)
Also, thanks for the hint with restarting the service. It has no effect here, unfortunately. Even after restarting the WSearch service the X: drive does not show up in the indexing options.