How do you deploy your app extension to an online Sandbox?

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Posted on by gnilsen

Hello,

I found this post: https://community.dynamics.com/business/f/758/t/298407 and it says it is possible to deploy your app to an online sandbox but I can't figure it out. I wanted to do it by using the Install action on extension management but that is disabled. I guess I don't know what to put in my launch.json. Specifically I don't know what to put in the server and serverinstance parameters. This is what I have currently. Is this the way you go about deploying to an online sandbox? How do I figure out what to put in the serverinstance?

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "al",
            "request": "launch",
            "name": "Your own server",
            "server": "https://businesscentral.dynamics.com/(tenantid)/sandbox",
            "tenant": "",
            "serverInstance": "NAV",
            "authentication": "UserPassword",
            "startupObjectId": 22,
            "startupObjectType": "Page",
            "breakOnError": true
        }
    ]
}

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Mohana Yadav 61,248 Super User 2026 Season 1 on at

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you have to manually upload app file via extension management page.

docs.microsoft.com/.../devenv-deploy-tenant-customization

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jdecottignies 217 on at

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Hi,

You just have to put your server url. You will be prompted automaticaly when downloading symbols (do a CTRL + SHIFt + P + Clear Credential Cache before to be sure).

If you want to use the tenant property, then you have to put your onmicrosoft account : "youraccount.onmicrosoft.com" (it's not required but safer)

Remove serverInstance and authentification properties, you don't need these for sandbox deployment

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Mohana Yadav 61,248 Super User 2026 Season 1 on at

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Sorry, I thought it was Online Production.

for sandbox, you just need tenant property and no need of server, serverinstance etc.

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gnilsen 92 on at

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Thank you all:

Below is what worked.

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gnilsen 92 on at

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This is what worked:

{ "version": "0.2.0", "configurations": [ { "type": "al", "request": "launch", "name": "Your own server", "server": "https://businesscentral.dynamics.com/(Tenant GUID)", "startupObjectId": 22, "startupObjectType": "Page", "breakOnError": true } ] }

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