After configured KMS mentioned in CTX128276, the KMS activation takes too much time to finish.

Workaround

1. Refer to CTX128276 - Configuring KMS Licensing for Windows and Office and re-configure KMS.

2. Add the following into windows startup script to perform KMS activation when windows started
   ++++++++++++++++
   choice /C X /T 120 /D X > nul
   c:\Windows\System32\slmgr.vbs /ato
   ++++++++++++++++

Problem Cause

PVS only prepare unique CMID for KMS activation, and Windows feature will handle all process of KMS activation. Thus, this issue is related with windows KMS activation features but not PVS