Was able to answer my own question after troubleshooting.  You cannot use the DHCP options with the vendor Wyse as I did for my ThinOS systems.  Must be DHCP options set to standard and all works fine.
Does anyone know how we can auto-register a Wyse WES device (Windows IoT) to WMS in the cloud?  We are trying to use DHCP tags but the WDA agent on the Win 10 IoT device doesn't seem to even bother using the tags.  Is this only for ThinOS? Thanks - Martin
WES - Auto-register to WMS