The grbgetkey executable is located within the full Gurobi installation. If you receive the error "command not found" or "'grbgetkey' is not recognized as an internal or external command, operable program or batch file" when trying to retrieve a license file with grbgetkey in the command prompt/terminal, please:
- Ensure Gurobi is already installed on your system. If not, please see our Quick Start Guide.
Note: The Gurobi pip installation method does not provide Gurobi license tools such as grbgetkey. In order to use grbgetkey, you will need to use one of the other installation methods described in How do I install Gurobi for Python?
- Try specifying the full path to grbgetkey. If Gurobi is installed in the default location, this can be done as follows:
- Windows: C:\gurobi950\win64\bin\grbgetkey xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
- Linux: /opt/gurobi950/linux64/bin/grbgetkey xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
- MacOS: /Library/gurobi950/macos_universal2/bin/grbgetkey xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
Further information
- Download Gurobi Optimizer
- Quick Start Guides > Retrieving and Setting Up a Gurobi License (Windows, Linux, MacOS)
- How do I resolve the error "Communication failed" from grbgetkey?
- How do I resolve an "ERROR 405" from grbgetkey?
- How do I resolve an "ERROR 303" from grbgetkey?