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Small and medium business | Business Central, N...
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Performance Issues after v26 Upgrade (on-prem)

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Hi, 

We have run into a problem after upgrading BC on-prem from version 25 -> 26.4. 
We have had a lot of issues with the performance during the initial loading and authentication and with switching between companies/accounts in the application. 

The application server is run on a windows server with 32gb of RAM and 8 vCores.
The server instances customconfig.json have been replaced with a new one with only the necessary values but this have not had the effect hoped for. 

Do anyone have any idea/know of any solution or workaround to this?

Thanks and kind regards,
Nikolai
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  • Suggested answer
    YUN ZHU Profile Picture
    95,128 Super User 2025 Season 2 on at
    Performance Issues after v26 Upgrade (on-prem)
    Will you encounter this problem if you move this database to your PC?
    If not, I suggest you reinstall v26.4 On-Pre on the server.
    Alternatively, upgrade to the latest CU version of v26 and try again.
     
    Thanks.
    ZHU

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