Sonja Mars
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Recent activity by Sonja Mars-
Communication failed
While running grbgetkey to retrieve a license file, you might receive the error:Communication failed, check your network connection or set variable HTTPS_PROXY if you need a proxyIf your computer i...
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grbgetkey: command not found
NOTE for WLS users: The command grbgetkey is not used with WLS licenses. Please see How do I resolve an "ERROR 202" when running grbgetkey?The grbgetkey executable is located within the full Gurobi...
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Gurobi release and support history
Gurobi versions are of the form X.Y.Z, where X is the major release, Y is the minor release, and Z is the technical release.Starting with major release 10, Gurobi product releases are supported for...
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Gurobi 12.0 released
As of November 2024, Gurobi version 12.0.0 is officially released! Please download this newest major release from the Download Center on our website. Further information Download the latest version...
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No compatible runtime available for version X.X.X
Gurobi Compute Server can work with multiple Gurobi releases on the client side.The server automatically selects the appropriate runtime, depending on the version of the Gurobi Optimizer library th...
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Gurobi 11.0.3 released
As of July, 2024, Gurobi version 11.0.3 is officially released! Please download this newest technical release from the Download Center on our website. Further information Download the latest ve...
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ERROR 405: Cannot reinstall license
If grbgetkey produces a message that looks like this:info : grbgetkey version 12.0.0, build v12.0.0rc1 info : Contacting Gurobi license server... error : ERROR 405: Cannot reinstall license 99999...
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What is the difference between user cuts and lazy constraints?
User cuts and lazy constraints are similar but have some important differences. User cuts help tighten the relaxation of a MIP by removing fractional solutions. They are not required for the mode...
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How does IDLETIMEOUT work?
The idle timeout allows you to set a limit on how long a Compute Server or Cloud job can sit idle before the server kills the job. Background Both Gurobi Compute Server and the Instant Cloud are ba...
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New Documentation Site
We are happy to announce that our documentation has been moved to a new page. The page is located at docs.gurobi.com and includes our: Getting Started Pages Example Tour Reference Manual AMPL-Guro...