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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / HTTP Error 503. The se...
Microsoft Dynamics AX (Archived)

HTTP Error 503. The service is unavailable.

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Posted on by FahadAhmed 205

Hi Guys - 

I deleted a custom package but didn't stop the service (not even sure which service in D365 corresponds to AOS service. World wide web publishing?) later when I try to run the application through VS (after building and syncing it) or access the URL, I get the following error. 

Service Unavailable

HTTP Error 503. The service is unavailable.

I checked the service Microsoft Dynamics 365 for Operations - Batch Management Service was stopped (not sure how) so I started it. Still getting the same error. 


Any suggestions? 

-Fahad

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  • Verified answer
    André Arnaud de Calavon Profile Picture
    André Arnaud de Cal... 300,917 Super User 2025 Season 2 on at

    Hi Fahad,

    Did the build complete without errors? Can you find some errors in the Windows event log? Next to the application view there are numerous Dynamics 365 logs.

    Did you follow a guide to remove a package?

    Reset the World wide web publishing will indeed cause a restart of Dynamics 365 application pool, but also all other IIS related services.

  • Verified answer
    FahadAhmed Profile Picture
    FahadAhmed 205 on at

    Thansk Andre - The issue is resolved now. With your suggestions, I thought I should check all the applications pools and figured even though I restarted world wide web publishing service but the AOSService applicaiton pool was still stopped. I restarted it and now can access the applications.

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