Failing to retrieve attachments from EWS server











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We have a file attachment synching feature that is used by an Outlook add-in (OfficeJS). The EWS token and URL are fetched using [3] and [4]



We fetch attachments using EWS SOAP API calls detailed here[2]. However, we have noticed that some of these calls fail randomly and will succeed in subsequent retries. I do not think this is related to signed emails [1]. Is there a rate limit on the EWS SOAP API calls?



Reference



[1] EWS: Retrieving attachments from signed emails



[2] https://docs.microsoft.com/en-us/outlook/add-ins/get-attachments-of-an-outlook-item#use-ews-to-get-the-attachments



[3]https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#ewsurl-string



[4] https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#getcallbacktokenasyncoptions-callback






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    up vote
    0
    down vote

    favorite












    We have a file attachment synching feature that is used by an Outlook add-in (OfficeJS). The EWS token and URL are fetched using [3] and [4]



    We fetch attachments using EWS SOAP API calls detailed here[2]. However, we have noticed that some of these calls fail randomly and will succeed in subsequent retries. I do not think this is related to signed emails [1]. Is there a rate limit on the EWS SOAP API calls?



    Reference



    [1] EWS: Retrieving attachments from signed emails



    [2] https://docs.microsoft.com/en-us/outlook/add-ins/get-attachments-of-an-outlook-item#use-ews-to-get-the-attachments



    [3]https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#ewsurl-string



    [4] https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#getcallbacktokenasyncoptions-callback






    office-js outlook-web-addins







    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      We have a file attachment synching feature that is used by an Outlook add-in (OfficeJS). The EWS token and URL are fetched using [3] and [4]



      We fetch attachments using EWS SOAP API calls detailed here[2]. However, we have noticed that some of these calls fail randomly and will succeed in subsequent retries. I do not think this is related to signed emails [1]. Is there a rate limit on the EWS SOAP API calls?



      Reference



      [1] EWS: Retrieving attachments from signed emails



      [2] https://docs.microsoft.com/en-us/outlook/add-ins/get-attachments-of-an-outlook-item#use-ews-to-get-the-attachments



      [3]https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#ewsurl-string



      [4] https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#getcallbacktokenasyncoptions-callback






      office-js outlook-web-addins







      share|improve this question













      We have a file attachment synching feature that is used by an Outlook add-in (OfficeJS). The EWS token and URL are fetched using [3] and [4]



      We fetch attachments using EWS SOAP API calls detailed here[2]. However, we have noticed that some of these calls fail randomly and will succeed in subsequent retries. I do not think this is related to signed emails [1]. Is there a rate limit on the EWS SOAP API calls?



      Reference



      [1] EWS: Retrieving attachments from signed emails



      [2] https://docs.microsoft.com/en-us/outlook/add-ins/get-attachments-of-an-outlook-item#use-ews-to-get-the-attachments



      [3]https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#ewsurl-string



      [4] https://docs.microsoft.com/en-us/office/dev/add-ins/reference/objectmodel/requirement-set-1.7/office.context.mailbox#getcallbacktokenasyncoptions-callback






      office-js outlook-web-addins




      office-js outlook-web-addins






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      asked 6 hours ago









      Sameera Jayaseckara

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