Injecting drivers into Boot images is crucial in order to start OSD process. Without this, Client will not be able to access the network resources.
To Inject the drivers or including the drivers into boot images, Open Configuration Manager Console
Go to Software Library > Operating Systems > Boot Images
Right Click on Required Boot Image and Click Properties
Click Drivers Tab and Add New Drivers by pressing New button
Select Required Network or Storage Drivers and Click OK to ADD
Required Drivers will now appear in Drivers Tab.
Repeat steps for other Network or Storage Drivers
This Completes the Injecting or Including drivers in Boot Images.