calling prot_obs.cmd from Command Prompt -- OK:
[code]
D:\QB\BA1\root\Products\AirBrush\Win\prot>"C:\Program Files (x86)\Obsidium x64\obsi_cmd.exe" --project "AirBrush_64.exe.opf" --input "obsidium/AirBrush_64.exe.PreOBS" --output "obsidium/AirBrush_64.exe"
Obsidium Software Protection System (x64)
Version 1.4.0.3 [Oct 9 2014]
Copyright (C) 2014 Obsidium Software
WARNING: No valid Taggant License
Protection successful!
[/code]


calling prot_obs.cmd as Build Step from Quickbuild -- FAILED:
[code]
10:39:36,471 INFO - D:\QB\BA1\root\Products\AirBrush\Win\prot>"C:\Program Files (x86)\Obsidium x64\obsi_cmd.exe" --project "AirBrush_64.exe.opf" --input "obsidium/AirBrush_64.exe.PreOBS" --output "obsidium/AirBrush_64.exe"
10:39:36,932 INFO - Not available for unlicensed users
[/code]

"unlicensed users"? Any ideas?

Obsidium licensed, of course:
[quote]
v.1.5.1 (build 6)
Protection Server v.1.4.0 (build 3)

This copy of Obsidium licensed to
AKVIS Lab
Update license expires 2014-11-14
No Taggant certificate found[/quote]