Invalid Gurobi license

Answered

Yaroslav Prokhorskoy

March 16, 2021 18:51

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After

ENV[“GRB_LICENSE_FILE”] = “/Library/gurobi911”
ENV[“GUROBI_HOME”] = “/Library/gurobi911/mac64/”
import Pkg
Pkg.rm(“Gurobi”)
Pkg.add(“Gurobi”)
Pkg.build(“Gurobi”)
using Gurobi
const GUROBI_ENV = Gurobi.Env()

Error "Invalid Gurobi license"

gurobi.lic file is in gurobi911

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• Official comment

  

  Simranjit Kaur

  • Gurobi Staff

  June 23, 2025 02:58 Edited

  This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum. Or why not try our AI Gurobot?.
• 

  Eli Towle

  • Gurobi Staff

  March 16, 2021 20:46 Edited

  Can you try setting the \( \texttt{GRB_LICENSE_FILE} \) environment variable to the full path of the \( \texttt{gurobi.lic} \) file? E.g.:

  ENV["GRB_LICENSE_FILE"] = "/Library/gurobi911/gurobi.lic"

  Unless you have other license files on your machine, you shouldn't have to set \( \texttt{GRB_LICENSE_FILE} \). Gurobi looks for a \( \texttt{gurobi.lic} \) file in \( \texttt{/Library/gurobi911} \) by default.

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