Simranjit Kaur
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Gurobi Staff
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Articles
Votes on activity by Simranjit Kaur-
How to resolve the error "Failed to connect to token.gurobi.com port 443"?
Gurobi's WLS license requires direct HTTPS connections (port 443) to https://token.gurobi.com. If you encounter the "Failed to connect to token.gurobi.com port 443" error, your machine has trouble ...
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How do I diagnose the error "Cannot compute IIS on a feasible model"?
Gurobi can compute an Irreducible Inconsistent Subset (IIS) solely for infeasible models. If you encounter this error, we recommend that you first check the Optimization Status attribute following ...
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How do I resolve an "ERROR 10009: License expired"?
The errorsERROR 10009: License expired yyyy-mm-dd ERROR 10009: Request denied: license expiredindicate that either your license has expired or Gurobi is finding an old expired license.Log in to you...
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ERROR 10009: License expired
The errors ERROR 10009: License expired yyyy-mm-dd ERROR 10009: Request denied: license expired indicate that either your license has expired or Gurobi is finding an old expired license. If your li...
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ERROR 10009: Version number is xx, license is for version yy
An errorERROR 10009: Version number is xx, license is for version yyindicates that you are trying to use a License for version yy for Gurobi version xx.For example, "ERROR 10009: Version number is ...
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How do I resolve an "ERROR 10009: Version number is xx, license is for version yy"?
An errorERROR 10009: Version number is xx, license is for version yyindicates that you are trying to use a License for version yy for Gurobi version xx.For example, "ERROR 10009: Version number is ...
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How do I diagnose a wrong solution?
If the solution that Gurobi returns is not what you expected, the first step is to identify in which sense the solution is wrong. Common situations are: Gurobi returns a solution with unexpected v...
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How do I diagnose a suboptimal objective value returned as optimal by Gurobi?
If the objective value that Gurobi returns is not what you expected, the first step is to identify the type of wrong result. The most common reasons for this are: Termination criteria Gurobi retu...
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Why does Gurobi report my model is infeasible when it has a feasible solution?
If you have a known solution, the first step is to check that this solution is feasible for your model. Create a fixed model by fixing the variables to their values in the known solution. To do thi...
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How do I register and access my account in the Gurobi User Portal?
You are creating a new account Go to the Gurobi User Portal (https://portal.gurobi.com/iam/login/) and register a new account with your email address. Academic users: Select "Academic" when promp...