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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 Rahul.p 632

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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I have the same question (0)
  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 238,601 Most Valuable Professional on at

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

  • Rahul.p Profile Picture
    Rahul.p 632 on at

    Thanks martin

    Its working

  • Verified answer
    Jie G Profile Picture
    Jie G on at

    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）

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