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Unable to open Object Designer in Dynamics NAV 2018 Development Environment

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Posted on by Syuhadah

Hi All,

I wanted to do data migration from Dynamics NAV to Business Central. As I follow the guidance to do the migration, an error occurred. The problem is I couldnt open the Object Designer in Development Environment so the next step couldnt be proceeded.

Can anyone help me to resolve this issue?

Thank you in advance.

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Syuhadah 15 on at

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Unable to open Object Designer in Dynamics NAV 2018 Development Environment

Hi YUN ZHU,

Thanks for the link, I'm actually follow the same link you provided, the upgrading of application code task is still on-hold.

Regards,
Syuhadah
Syuhadah 15 on at

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Unable to open Object Designer in Dynamics NAV 2018 Development Environment

Hi KasparsSemjonovs,

I'm following this link: Upgrade Application Code - Business Central | Microsoft Learn and How to: Import Objects - Business Central | Microsoft Learn. Currently pending on exporting application object from database to a file.

I'm trying to open the Object Designer in Dynamics NAV Development Environment, but failed. The database seemed didn't connected. Below is the error when I try to connect to database.

Regards,
Syuhadah
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YUN ZHU 85,338 Super User 2025 Season 1 on at

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Unable to open Object Designer in Dynamics NAV 2018 Development Environment

Hi, is there a problem with the target version? If it is NAV, you must first upgrade to v14, which is the last version of BC that retains Object Designer.

More details:

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/upgrade/upgrading-to-business-central-on-premises?wt.mc_id=DX-MVP-5004336

Hope this helps.

Thanks.

ZHU
KasparsSemjonovs 4,407 Super User 2025 Season 1 on at

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Unable to open Object Designer in Dynamics NAV 2018 Development Environment

Business Central doesn't have the Development Environment anymore, nor the Object Designer.

Can You share which Guide You are following and which step causes the problem?
If you are referring to NAV database - then what is the problem? Do You get an error? is it grayed out, so You cannot select it? Make sure the database is opened and correct license is imported.