Your screenshots look similar to mine. I use Unmanaged (SLAAC only) instead of Assisted (SLAAC + DHCPv6) but that's a matter of preference and shouldn't make a difference.When you say "clients do not receive ipv6", do you mean they don't get IPv6 addresses assigned? Double-check RADVD and DHCPDv6 services are running in System-Diagnostics-Services. Also, double-check client NIC configuration- is IPv6 enabled as a protocol?Also- you did not share screenshot of LAN Interface Configuration/Overview. Make sure it is configured with and has a static IPv6 address in the /64 you need your clients to receive addresses in.Hope that helps!