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Microsoft Dynamics AX (Archived)

HTTP Error 503. The service is unavailable

Posted on by 630

Hi friends,

when trying to access the AOS url for Dynamics 365 for operations, enterprise edition i am getting 

"HTTP Error 503. The service is unavailable" error.

I checked the Application Pools services all are started.

I checked World Wide Web Publishing Service also start.

Please give me solution.

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  • Verified answer
    Jie G Profile Picture
    Jie G on at
    RE: HTTP Error 503. The service is unavailable

    1. Check IIS log to see the sub status code of 503.

    2. Check HTTPERR log to see if anything related

    3. FREB(Failed Request Tracing)

  • Rahul.p Profile Picture
    Rahul.p 630 on at
    RE: HTTP Error 503. The service is unavailable

    Thanks martin

    Its working

  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 230,056 Most Valuable Professional on at
    RE: HTTP Error 503. The service is unavailable

    The first place where I would look is event log. If it doesn't help, consider Failed request tracing.

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