Slow specialize/oobe sysprep phase

Hello,

Launching [C:\Windows\system32\oobe\setup.exe]... step takes almost 4 minutes. Here is part of log:

2016-05-27 15:10:26, Info                         [windeploy.exe] ------------------------------------------------
2016-05-27 15:10:26, Info                         [windeploy.exe] WinDeploy.exe launched with command-line []...
2016-05-27 15:10:26, Info                         [windeploy.exe] LogBootDeviceInfo:The firmware boot device ARC path is [multi(0)disk(0)rdisk(0)partition(1)] and NT path is [\Device\Harddisk0\Partition1].
2016-05-27 15:10:26, Info                         [windeploy.exe] LogBootDeviceInfo:The system boot device ARC path is [multi(0)disk(0)rdisk(0)partition(2)] and NT path is [\Device\Harddisk0\Partition2].
2016-05-27 15:10:26, Info                         [windeploy.exe] Windeploy: Sysprep mode is [0x0]; setting SQM data for the same.
2016-05-27 15:10:26, Info                         [windeploy.exe] Windeploy: Executing PreSysprep commands
2016-05-27 15:10:26, Info                         [windeploy.exe] Found generalization state [0x4], setup.exe completion flag [False] --> launching setup.exe.
2016-05-27 15:10:26, Info                         [windeploy.exe] Launching [C:\Windows\system32\oobe\setup.exe]...
2016-05-27 15:14:02, Info                         [SETUPUGC.EXE] SetupUGC launched with command line [specialize]
2016-05-27 15:14:02, Info                         [SETUPUGC.EXE] SetupUGC running to process unattend settings for pass [specialize]
2016-05-27 15:14:02, Info                         [SETUPUGC.EXE] Processing any RunSynchronous setting...
2016-05-27 15:14:02, Info                         [SETUPUGC.EXE] Running commands is not yet in progress

How to speed up that step?

Thank you in advance,

Aleksey.

Любовь долготерпит, ...