
Museum Hours
- Monday: 11:00 am–5:00 pm
- Tuesday: Closed
- Wednesday: 11:00 am–5:00 pm
- Thursday: 11:00 am–5:00 pm
- Friday: 11:00 am–5:00 pm
- Saturday: 10:00 am–5:00 pm
- Sunday: 10:00 am–5:00 pm
msiexec /i nlm11.18.0.0-ipv4-ipv6-win64.msi /L*v install.log
To force IPv4-only mode (if issues with IPv6):
Add environment variable: NLM_IPV4_ONLY=1
| Problem | Likely Cause | Solution |
|---------|--------------|----------|
| Clients cannot check out licenses | Firewall blocking IPv6 traffic | Add explicit allow rules for TCP ports over IPv6. |
| License server shows “No IPv6 route” | IPv6 stack disabled on Windows | Enable IPv6 in network adapter properties. |
| Service fails to start | Corrupt license file or missing vendor daemon | Run lmutil lmstat to diagnose. | nlm11.18.0.0-ipv4-ipv6-win64.msi
| Scenario | Behavior | |----------|----------| | IPv4 only | Works normally | | IPv6 only | Works normally | | Dual stack (IPv4+IPv6) | Listens on both; prefers IPv6 if client supports it | | IPv4-mapped IPv6 | Disabled by default (can be enabled via config) | msiexec /i nlm11
Note: License manager hostname resolution must resolve to both A and AAAA records for full dual-stack support. Function: This is a Windows service that identifies
| Component | Requirement | |-----------|-------------| | OS | Windows Server 2016/2019/2022, Windows 10/11 (64-bit) | | RAM | 4 GB minimum | | Disk | 200 MB free | | Network | IPv4 and/or IPv6 configured interfaces | | Admin rights | Required for installation |

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