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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Using Entra Applicatio...
Small and medium business | Business Central, N...
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Using Entra Application proxy for onprem BC - seemingly works

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Posted on by peterb3 4
Was not possible previously, but seemingly working now (we can login into NAVBC and work there.
No more get stuck in "loading page" after login, as all other commenters reported in previous years)
 
Our setup:
- NAV BC v23
- NAV BC credential type: username 
- Entra application proxy
 
More our testing to come. We will also try with NAVBC credential type AccessControlService (EntraID)
 
Be aware, that documentation still call this setup as not working.

version history
2021-07-26 NAV BC documentation started to warn, that Approxy is not supported because websockets issue https://github.com/MicrosoftDocs/dynamics365smb-devitpro-pb/commit/eea46706ca0b977630b3c40fced5ad69…
2021-12-17 Entra Approxy documentation started stating, that it is supporting websockets, with minor problems  https://github.com/MicrosoftDocs/entra-docs/commit/9c11ae279c0ef5f1afdc8dfb80d8d3051376d6d1
in years later some people reported on various forums, that they cannot get past login page: loading wheel spins forever. Probably approxy websocket issue
now seemingly working, but not confirmed by MS and undocumented

 
 
Categories:
Dynamics 365 Business Central
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  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 92,233 Super User 2025 Season 2 on at
    Using Entra Application proxy for onprem BC - seemingly works
    Please note that BC v23 has stopped supporting for half a year. Please upgrade to the latest version before testing.
     
    Hope this helps.
    Thanks.
    ZHU
  • Suggested answer
    Rishabh Kanaskar Profile Picture
    Rishabh Kanaskar 4,207 on at
    Using Entra Application proxy for onprem BC - seemingly works
    Hi,
     
    Historically, Entra Application Proxy was not supported for Business Central on-prem because of WebSocket limitations, which caused the “loading page” issue after login. Microsoft documentation still states it’s unsupported, but Entra Proxy added WebSocket support later, so it can now work in some scenarios.
    However:
    > It’s still not officially supported by Microsoft for BC on-prem.
    > If it works in your setup, it’s considered an unsupported workaround.
    > For production, Microsoft recommends VPN or Azure Front Door for secure remote access.
     
    If you need an official reference, check:
    > Business Central on-premises architecture
    > Entra Application Proxy WebSocket support
     
    Thanks
    Rishabh

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