Ensure the following is in your Unattend.xml in order to avoid waiting for “Just a moment…”

<OOBE>

<HideWirelessSetupInOOBE>true</HideWirelessSetupInOOBE>
<NetworkLocation>Work</NetworkLocation>
<SkipMachineOOBE>true</SkipMachineOOBE>
<SkipUserOOBE>true</SkipUserOOBE>
<HideOEMRegistrationScreen>true</HideOEMRegistrationScreen>
<HideEULAPage>true</HideEULAPage>
<HideLocalAccountScreen>true</HideLocalAccountScreen>
<HideOnlineAccountScreens>true</HideOnlineAccountScreens>

</OOBE>

Normally ConfigMgr handles updating the xml file for smooth task sequencing. But this seems to be something left out of ConfigMgr 1702 / ADK 1703.

I would recommend using the Windows System Image Manager from the ADK to make these changes to your Answer File as it will do validation.