(if dual‑stack breaks old clients):
VENDOR adskflex options=adskflex.opt Create adskflex.opt for reporting, reservations, over‑drafting. | Issue | Solution | |-------|----------| | Clients cannot reach server over IPv6 | Check IPv6 route: ping -6 lmserver | | Firewall blocking ICMPv6 | Allow Neighbor Discovery (ND) and port‑specific TCP | | Binding to wrong interface | Set LMGRD_LISTEN_ON environment variable: LMGRD_LISTEN_ON=2001:db8::1 | | License file resolves to IPv4 only | Use IPv6= directive inside SERVER line or force client connection via [ipv6] syntax | nlm11.18.0.0-ipv4-ipv6-win64.msi
LM_IPV6_ENABLE=0 Set as system environment variable, then restart service. 8.1 Enable Detailed Logging Add to license file: nlm11.18.0.0-ipv4-ipv6-win64.msi