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Error updating from v19 to v20

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Trying to update BC and when i do Start-NAVAppDataUpgrade -ServerInstance $NewBcServerInstance -Name "System Application" -Version $NewBCVersion, i get the error

Start-NAVAppDataUpgrade : The Demo Database BC (19-0) database has version 1380 which is not supported by this version of Microsoft Dynamics 365 Business Central Server. Please contact your administrator.
At line:1 char:1
+ Start-NAVAppDataUpgrade -ServerInstance $NewBcServerInstance -Name "S ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (0:Int32) [Start-NAVAppDataUpgrade], NavServerNotFoundException
+ FullyQualifiedErrorId : MicrosoftDynamicsNavServer$BC200/default,Microsoft.Dynamics.Nav.Apps.Management.Cmdlets.StartNavAppDataUpgrade

Does anyone know why or how to fix this?

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YUN ZHU 101,848 Super User 2026 Season 1 on at

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Hi, I'm not sure if this is related to your problem, you need to upgrade to 19.5 first, then upgrade to 20.0.

https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/upgrade/upgrade-v14-v15-compatibility

Hope this will help.

Thanks.

ZHU

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Community Member on at

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I am upgrading from the latest version of BC v19.

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matthias_rabus 160 on at

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Look at the error: NavServerNotFoundException

Please check the content of your variables, especially $NewBcServerInstance

If that is set please check if the service is running

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Community Member on at

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I doubled checked this and the variable is right and the service is running.

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matthias_rabus 160 on at

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Can you show us a bit more of your powershell script?

Other guess:

Did you miss the "Invoke-NAVApplicationDatabaseConversion" step before upgrading the system app?

Seems like the version of your database / the database's schema doesn't match the version of your BC20 service.

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Community Member on at

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I found what I was doing wrong, I wasn't syncing the right things. Silly mistake, but got it figured out. Thanks!

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matthias_rabus 160 on at

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Awesome, good luck with your upgrade!

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Sarika Maheshwari 5 on at

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what you have done to resolve it?

please share

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