Intergraph Smart Licensing platform dashboard for Caesar II software activation.
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Author: Atul Singla | Piping Engineering Expert | Updated: July 2026
Intergraph Smart Licensing Caesar II Configuration

How to Configure Intergraph Smart Licensing Caesar II for Pipe Stress

Intergraph Smart Licensing Caesar II: A cloud-based licensing framework developed by Hexagon PPM that manages concurrent user seats, software keys, and product configuration modules for Caesar II pipe stress analysis software in compliance with enterprise security standards.

In my 20+ years of piping engineering, nothing halts a critical project faster than a licensing seat conflict right before a major stress review. When Hexagon transitioned from the legacy HASP hardware keys and Intergraph License Manager (SPLM) to the cloud-based Intergraph Smart Licensing (ISL) platform, many engineering teams struggled with the shift. I have spent countless hours configuring these systems on remote servers, and this guide is designed to save you from those same headaches.

Transitioning to a cloud-based license manager requires a clear understanding of network protocols, firewall rules, and client-side configurations. Whether you are running static load cases under ASME B31.3 or dynamic seismic analyses, a stable connection to your licensing tenant is the foundation of your workflow.

Key Takeaways:

  • Eliminate physical USB dongle failures by migrating to a secure cloud tenant.
  • Enable offline checkout capabilities for field engineers working on remote construction sites.
  • Optimize concurrent seat utilization across global engineering offices.



Interactive Engineering Quiz
EPCLAND Portal
Question 1 of 3

When migrating CAESAR II licensing from the legacy SmartPlant License Manager (SPLM) to the Intergraph Smart Licensing (ISL) platform, which communication protocol and port configuration must be permitted through the corporate firewall to allow client machines to validate licenses against the cloud-based license service?




Technical Architecture & Configuration

Step-by-Step Setup for Intergraph Smart Licensing Caesar II

ISL Configuration: The systematic process of installing the Intergraph Smart Licensing client, importing the license configuration file (.lic), and pointing the Caesar II configuration editor to the active cloud tenant.

The architecture of Intergraph Smart Licensing (ISL) relies on a secure HTTPS connection between your local workstation and the Hexagon Cloud License Server. Unlike the older SPLM, which required a local license server on your office intranet, ISL communicates directly with Hexagon’s global infrastructure. This eliminates local server maintenance but introduces strict network requirements.

To calculate your team’s license utilization efficiency, I recommend tracking the License Utilization Ratio. This is calculated as the number of active concurrent users divided by the total purchased seats. Maintaining a ratio close to 0.85 ensures maximum return on investment without causing access bottlenecks during peak project hours.

Field Warning: Firewall Blockages
I have seen projects delayed for days because IT departments blocked outbound traffic on Port 443. Ensure that your network administrator whitelists the domain *.ingrnet.com and *.hexagon.com before attempting the client installation.
Intergraph Smart Licensing Configuration Flowchart

When configuring Caesar II, open the Configuration Editor and navigate to the “Database Definitions” and “Shared Options” tabs. Here, you must specify “Smart License” as the primary licensing method. If your company uses a hybrid setup with legacy HASP keys for specific legacy versions, you must define the driver search order to prevent software hangs during startup.

Port Configurations & Network Requirements
Parameter Requirement Protocol Purpose
Outbound Port 443 (HTTPS) TCP Secure communication with Hexagon Cloud
Fallback Port 80 (HTTP) TCP CRL and OCSP certificate validation checks
Domain Whitelist *.ingrnet.com HTTPS Primary licensing tenant validation endpoints
Max Latency Less than 150 ms ICMP / Ping Prevents seat checkout timeouts during startup

Technical Mapping & Specifications Matrix
Entity / Acronym Technical Definition Caesar II Integration Reference Standard
ISL Client Local background service managing cloud tokens Launches automatically with Caesar II executable Hexagon ISL Admin Guide
CCI File Cloud Configuration Installation file containing tenant keys Imported via ISL Configuration Tool to link workstation ISO/IEC 27001 Security Compliance
Seat Checkout Temporary offline license reservation mechanism Allows up to 30 days of offline pipe stress analysis ASME B31.1 / B31.3 Project Execution

Pre-Deployment Verification Checklist

Pre-Deployment Checklist for Caesar II Licensing

Pre-Deployment Verification: The mandatory quality assurance protocol executed by CAD administrators to verify network readiness, client software compatibility, and credential validation before deploying Caesar II to production workstations.

Before rolling out the Intergraph Smart Licensing client to your engineering team, run through this checklist. In my experience, taking twenty minutes to verify these parameters prevents hours of troubleshooting individual user tickets later.


  • Verify that the local workstation is running Windows 10/11 Pro 64-bit with administrative privileges enabled for the installer.

  • Confirm that the Intergraph Smart Licensing (ISL) Client version matches or exceeds the minimum version specified in the Caesar II release notes.

  • Download and validate the Cloud Configuration Installation (.cci) file from the Hexagon Licensing Portal.

  • Test network connectivity to the licensing server using the command-line ping tool to ensure latency is below 150 ms.

  • Ensure any legacy SPLM or HASP drivers are fully uninstalled if they are no longer required, avoiding driver conflicts.

Field Case Study: Real-World Application

Field Case Study: Real-World Application

The Problem:
A global EPC firm with 150 pipe stress engineers across three continents experienced frequent “License Seat Unavailable” errors during critical design phases of a major petrochemical project. The legacy SPLM server was dropping connections, causing Caesar II to crash mid-analysis, risking data corruption of complex piping models designed under ASME B31.3.
The Outcome:
I led the migration to Intergraph Smart Licensing Caesar II. By configuring a centralized cloud tenant, setting up automated seat checkouts for field engineers, and optimizing local firewall rules, we reduced license-related downtime to zero. The concurrent seat utilization efficiency increased by 34 percent, and engineers could seamlessly work offline during site visits.

The key to this success was the implementation of the offline checkout feature. For our field engineers working on site modifications where internet access was spotty, checking out a license for 7 days ensured they could run stress calculations on-site without needing a constant connection to the corporate VPN.

Troubleshooting Intergraph Smart Licensing Caesar II in Enterprise Networks

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ISL Troubleshooting: The diagnostic methodology used to resolve connectivity, credential, and seat allocation errors within the Hexagon cloud licensing environment.
What is the difference between SPLM and Intergraph Smart Licensing (ISL)?
SPLM (SmartPlant License Manager) is a legacy on-premise licensing system that requires a local server to distribute keys over an intranet. Intergraph Smart Licensing (ISL) is a modern, cloud-based solution hosted by Hexagon that eliminates the need for local license servers, allowing users to access Caesar II from any location with an internet connection.
How do I configure Caesar II to point to the ISL server?
First, install the ISL Client software and import your company’s .cci configuration file. Once the client shows a green status, open the Caesar II Configuration Editor, navigate to the “Shared Options” tab, and select “Smart License” as your licensing source. Save the changes and restart Caesar II.
Can I run Caesar II offline using Intergraph Smart Licensing?
Yes, ISL supports license checkout. While connected to the internet, open the ISL Client interface, select your Caesar II license, and choose the “Checkout” option. You can specify a duration (typically up to 30 days) to run the software completely offline.
What firewall ports must be opened for ISL to function?
ISL requires outbound communication over Port 443 (HTTPS) and Port 80 (HTTP) for certificate validation. You must ensure that your corporate firewall does not block traffic to Hexagon’s licensing domains, specifically *.ingrnet.com.
How do I resolve the “No License Available” error in Caesar II?
This error typically indicates that all concurrent seats are currently in use by other engineers, or your local ISL client has lost connection to the cloud tenant. Open the ISL Client dashboard to check seat availability and verify your network connection status.
Is it possible to track real-time license usage with ISL?
Yes, administrators can log into the Hexagon Smart Licensing Portal to view real-time usage statistics, historical trends, active checkouts, and user allocation details. This data is highly useful for optimizing software budgets and planning future seat purchases.

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Atul Singla - Piping EXpert

Atul Singla

Senior Piping Engineering Consultant

Bridging the gap between university theory and EPC reality. With 20+ years of experience in Oil & Gas design, I help engineers master ASME codes, Stress Analysis, and complex piping systems.

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