Ansys License Manager 2023r1 -

If another software (like Siemens NX or a different ANSYS version running as a separate service) is using the Vendor Daemon port (default 2325).


Recommended approach:

Note: To run 2023 R1 software, you need a license file that includes 2023 R1 feature codes. Old license files may not contain the new feature definitions.

Before installing the license manager, verify your environment meets these specifications: ansys license manager 2023r1

| Component | Requirement | |-----------|-------------| | Operating System | Windows Server 2019/2022, Windows 10/11 Pro/Enterprise, RHEL 8.6+, SUSE 15 SP4, Ubuntu 22.04 | | RAM | Minimum 4 GB (8 GB recommended for large license files >5,000 features) | | Disk Space | 2 GB for installation + log storage | | Network | Static IP address; Ports 1055 (lmgrd), 1056 (vendor daemon), and 25721 (web reporting) open | | Dependencies | Microsoft Visual C++ Redistributables (2015-2022), on Linux: lsb-core and gcc libraries |

A typical line in license.dat for 2023 R1 includes the ANSYS feature with new option VENDOR_STRING=2023R1:

SERVER hostname MAC_ADDR 1055
VENDOR ansyslmd port=1056
FEATURE ansys ansyslmd 2023.1231 31-dec-2025 10 \
  VENDOR_STRING=2023R1 HOSTID=XXXXXXXXXXXX \
  SN=XXXXXXXX ISSUER=ANSYS ck=123

Important: The VENDOR_STRING must match the client software release. A 2023 R1 client cannot use a license marked for 2022 R2. If another software (like Siemens NX or a

In the world of engineering simulation, Ansys stands as a colossus, powering innovations from aerospace components to biomedical devices. However, before a single mesh is generated or a single solver iteration runs, one critical piece of software must be operational: the Ansys License Manager.

With the release of Ansys 2023R1, the licensing framework underwent significant refinements. Whether you are a CAE manager, an IT systems administrator, or a power user, understanding the nuances of the Ansys License Manager 2023R1 is essential to ensure zero downtime and optimal performance across your organization.

This article provides a deep dive into the 2023R1 version—covering installation, configuration, best practices, common errors, and the transition to new licensing models. Recommended approach:

During the installation wizard, you will be asked for server details:

Cause: Port conflict. Another service uses port 1056.
Solution: Force a different port by editing license.dat:

VENDOR ansyslmd port=2080

Then restart the license manager.