Unable to Download 40GB Asset from Adobe Experience Cloud – "Connection Lost" Error | Adobe Higher Education
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Z
ZaferPA
July 7, 2025
Question

Unable to Download 40GB Asset from Adobe Experience Cloud – "Connection Lost" Error

Hi everyone,
I'm trying to download a large asset (around 40GB) from Adobe Experience Cloud. However, after downloading approximately 1GB, the process fails with a "connection lost" error — even though my internet connection remains stable and uninterrupted. I’ve tested this on both Safari and Chrome, and the issue persists in both browsers.

I also tried using download managers (such as IDM and Free Download Manager), but they either fail to capture the link properly or still encounter the same interruption.

Is there a recommended method for downloading large files from Adobe Experience Cloud?
Would using a desktop application like Adobe Bridge help in this situation?
Alternatively, is it possible to split the asset into smaller parts for easier download?

I'd really appreciate any insights or suggestions from those who’ve experienced a similar issue.

Thanks in advance!

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4 commentaires

Nilesh_Mali
Nilesh_Mali
Level 3
July 7, 2025

Following the steps below will help you successfully download large assets from AEM as a Cloud Service:

 

  1. Split the Asset into Smaller Parts:
    • Use AEM’s DAM Update Asset workflow or manually split the file into smaller segments (e.g., using zip with volume mode) before uploading.
      This makes large assets easier and more reliable to download.
  2. Use cURL for Programmatic Download:
    • You can use a cURL command with an access token to download the asset directly:
curl -L -O -H "Authorization: Bearer <access_token>" \ "https://author-pXXXX.adobeaemcloud.com/api/assets/my-large-asset.zip"
    Z
    ZaferPAAuteur
    July 7, 2025

    I am just a standard user. I am having the problem because it is not being uploaded in parts as you said.

    https://developer.adobe.com/experience-manager-apis/documentation/assets-http-api/

    The link above does not work.

    Can you please explain to me how to download with curl, thinking from an end-user perspective?

    aanchal-sikka
    Community Advisor
    aanchal-sikkaCommunity Advisor
    Community Advisor
    July 7, 2025

    @zaferpa 

     

    This must be due to default timeout of 60 seconds on AEMaaCS. https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/implementing/developing/development-guidelines#outgoing-http-connections 

     

    How was this large asset uploaded to DAM?

    Aanchal Sikka
      Z
      ZaferPAAuteur
      July 7, 2025

      @aanchal-sikka 
      Thank you for your response and the reference link you shared. I don’t have exact information on how the asset was uploaded to the DAM. The content was shared with me through my company’s Brand Portal interface. Therefore, I’m not sure which method was used during the original upload (e.g., direct upload, AEM Desktop App, or an automated integration). Thanks again — I truly appreciate your input!

      Z
      ZaferPAAuteur
      July 7, 2025

      My problem continues

      kautuk_sahni
      Community Manager
      kautuk_sahniCommunity Manager
      Community Manager
      July 14, 2025

      @zaferpa Just checking in — were you able to resolve your issue?
      We’d love to hear how things worked out. If the suggestions above helped, marking a response as correct can guide others with similar questions. And if you found another solution, feel free to share it — your insights could really benefit the community. Thanks again for being part of the conversation!

      Kautuk Sahni
      Z
      ZaferPAAuteur
      July 21, 2025

      My problem continues

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