If you find the task is failing on 3.6 RSA with drivers. Try this.

Make a new postinstall task using Runtime Environment:

Then upload copy_drivers.vbs from the peinst/hta/ folder call it

cscript.exe copy_drivers.vbs save it

Add to the mid leve task.

 

Troubleshooting Steps.

Check drivers are synced under the rsa share \\rsa\peinst

Make sure is checked and save sync