Hello There,

Is there a way to modify the DUID type the Windows client? The default value is DUID-LLT and we would like to change this to DUID-LL(type 3) or DUID-UUID (type 4).

Sincerely yours

• Moved by Michaela DimovaMicrosoft contingent staff, Moderator Monday, June 29, 2015 12:52 PM

Hi,

According to your description, my understanding is that you want to change the DUID type.

In general, DUID = DUID type(4 digit) + hardware type + DUID generate data and time + MAC address. 

The DUID type is a default setting by system. You may try to edit the DUID by editing registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters\Dhcpv6DUID

DUID type value:
0001 DUID-TTL
0002 DUID-EN
0003 DUID-LL

Remember to back up the registry before any changing. 

Best Regards,
Eve Wang