Unable to Debug Business Central On-Prem to a different instance from VS Code

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Posted on by Olister Rumao

3,967

Hi All,

I have created a Server and WebServer Instance in BC16.
I'm able to connect VS Code to the respective instance, download symbols, and publish extensions.
But when I try to debug the same extension, the debugging starts to a different instance.
I need to know if there is a setting in VS Code to choose which WebserverInstance to debug.

Here is launch.json
{
"version": "0.2.0",
"configurations": [
{
"name": "Dev",
"request": "launch",
"type": "al",
"environmentType": "OnPrem",
"server": "http://localhost",
"serverInstance": "Dev",
"authentication": "UserPassword",
"startupObjectId": 22,
"startupObjectType": "Page",
"breakOnError": true,
"launchBrowser": true,
"enableLongRunningSqlStatements": true,
"schemaUpdateMode": "ForceSync",
"port": 5049
}
]
}

Debugging URL with debugging context

localhost:8080/.../SignIn

Please note that I have cleared the Credential Cache, Reinstalled AL Extension, and even created a new project and downloaded the symbols.

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Marco Mels on at

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Hello,

Did you fill in PublicWebBaseUrl in customsettings.config file?

Thanks.

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Suresh Kulla 50,243 Super User 2025 Season 2 on at

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Specify the web client base URL and then set the Server on launch.json to that value. Make sure to restart the services and vs code.

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