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App install Failed: "internal server error"

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Posted on by MS-04071116-0

When we try to install an app from AppSource we get an error: internal server error.

Has anyone experienced this and know of a solution?

Microsoft Operation ID: cc7aaccc-7b99-40e8-86a3-ed2b19263ca3

Business Central AppID: 3b416018-6c8b-4f97-8bf5-9ed786843820

Operation Details:
Status: Failed
Error: A request to the Data Plane Admin Service failed with an internal server error.

Http status code: InternalServerError Error: { "code": "Unknown", "message": "The remote party closed the WebSocket connection without completing the close handshake." }

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Gerardo Rentería Ga... 25,555 Most Valuable Professional on at

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Hi

It seems that it is a problem with the appsource application, you could send the question to the provider.

BR

GR

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Jun Wang 8,210 Moderator on at

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some steps to consider

retry install, check server status

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Valentin Castravet 32,216 Super User 2026 Season 1 on at

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You can try to install it in a completely different environment as well to see if perhaps the issue is there. Or if you would like you could link to the app here and see if it works for other users to install it.

Valentin Castravet
Work: Zander ERP Services
Blog: Dynamics 365 Business Central Insights
LinkedIn: www.linkedin.com/in/valentin-c-0500a247/

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YUN ZHU 99,142 Super User 2026 Season 1 on at

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How did you install the AppSource extension? Directly from the Marketplace?
Or from a Direct URL?

This is just my guess, this could be a partner's security measure to prevent unauthorized users from installing it.

If this is a free app or a trial app, you can try to contact the partner and ask them to confirm whether it is a problem with their extension.

Hope this helps.

Thanks.

ZHU

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