Publishing More than One Custom AL Extension to Sandbox Environment

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Posted on by jessb101

Hello,

I have a D365 BC sandbox environment that I want to add two custom AL extensions to. However, every time I publish one extension, the other is removed from the environment. I need to have both published at the same time. How can this be achieved?

Thanks

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Dynamics 365 Business Central

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Ramesh Kumar 7,529 Super User 2025 Season 2 on at

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f Extension A depends on Extension B, and you publish a version of Extension B that doesn't match Extension A's expected version (defined in app.json), BC will automatically uninstall Extension A. Double-check that each extension has a unique ID in app.json.

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Ramesh

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Nour_K 61 on at

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This issue is likely caused by a conflict between the two extensions.

Please make sure that each extension has a unique App ID (id in the app.json file), as having the same ID will cause one extension to overwrite the other. Also, verify that the name, publisher, and version combination is different unless the extensions are meant to be upgrades of each other.

Additionally, check for overlapping object ID ranges (e.g., tables, pages, codeunits) between the two extensions, as this can also result in conflicts during publishing. Ensuring both the App ID and object IDs are distinct should allow both extensions to be published at the same time without issue

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jessb101 37 on at

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Thank you Nour and Ramesh!

I copied the app.json from one of the extensions I made, and forgot to change the app ID which was causing the override. I appreciate the help from you both!

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YUN ZHU 95,763 Super User 2025 Season 2 on at

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Hi, hope the following helps as well.

What's new in AL - Dependency Publishing

https://www.youtube.com/watch?v=JKsLjwSh0SQ

Thanks.

ZHU

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Gerardo Rentería Ga... 25,390 Most Valuable Professional on at

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Hi, good day
I hope this can help you, and give you some hints.

App identity - Business Central | Microsoft Learn

Create GUID - Visual Studio Marketplace

Best Regards
Gerardo

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Sohail Ahmed 11,150 Super User 2025 Season 2 on at

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The issue is likely caused by a conflict between the two extensions. Please make sure that each extension has a unique App ID (id in the app.json file), as having the same ID will cause one extension to overwrite the other. Also, verify that the name, publisher, and version combination is different unless the extensions are meant to be upgrades of each other. Additionally, check for overlapping object ID ranges (e.g., tables, pages, codeunits) between the two extensions, as this can also result in conflicts during publishing. Ensuring both the App ID and object IDs are distinct should allow both extensions to be published at the same time without issue.

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