Why does MATLAB Web App Server fail to start with ""Exception setting up connector: No such host is known." error in the webapps_se​rvice_star​t.err log?

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MathWorks Support Team
MathWorks Support Team el 5 de Abr. de 2023
Editada: MathWorks Support Team el 30 de Dic. de 2025 a las 20:31
MATLAB Web App Server fails to start with "Exception setting up connector: No such host is known." in the webapps_service_start.err log file. I am able to setup the Web App Server, and I confirmed that licensing is correct and the Network License Manager is up and running. 

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MathWorks Support Team
MathWorks Support Team el 30 de Dic. de 2025 a las 0:00
Editada: MathWorks Support Team el 30 de Dic. de 2025 a las 20:31
The "Exception setting up connector: No such host is known" indicates an issue with the server's DNS configuration.
Verify the DNS is available and resolving correctly. Once the DNS issue is resolved, try to start MATLAB Web App Server again.
 

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