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Summary:
If EndNote cannot download PDFs from ScienceDirect (Elsevier) or Wiley Online Library, it is not a malfunction of EndNote. These publishers have intentionally altered their method of delivering PDFs. Moving from providing simple direct links, they now wrap PDFs in JavaScript, redirects, authentication tokens, proprietary PDF viewers, and login barriers.
Why does this happen – publisher-controlled restrictions
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Elsevier (ScienceDirect):
- Uses JavaScript-based viewers instead of direct PDF links.
- Requires institutional login, proxy redirects, or authentication that EndNote cannot automate.
- Actively blocks automated retrieval to prevent what appears to be mass downloading.
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Wiley Online Library:
- Utilises a similar approach, incorporating redirects, authentication tokens, and proprietary PDF viewers.
- PDF downloads are often gated behind institutional authentication or security checks.
- Automated requests from tools like EndNote are often rejected or redirected.
In both cases, these restrictions are intentional decisions made by the publisher. EndNote has no control over how Elsevier and Wiley deliver their PDFs.
What you can try (workarounds, not permanent solutions)
1. Configure OpenURL or link resolver
- In EndNote > Preferences > Find full text, set your institution’s OpenURL or link resolver. It may help in some cases, depending on how your library authenticates access.
2. Use your institution’s VPN or campus IP
- When connected via campus network or VPN, some PDFs may download correctly.
Even then, Elsevier and Wiley frequently change access rules, so success is inconsistent.
3. Manually download and attach PDFs
- The only reliable solution is to log in to ScienceDirect or Wiley via your institution, download the PDF manually, and attach it to the reference in EndNote.
Attach by dragging into the reference or using File > Attach file.
4. Monitor for publisher changes
- Both Elsevier and Wiley regularly update their platforms.
These changes often disrupt automated PDF tools. Only the publishers can restore simpler access.
5. Use the URL fallback
- When EndNote cannot fetch the PDF, it usually saves the publisher’s article URL.
Use this link to log in and download the file manually.
Bottom line
If EndNote fails to fetch PDFs from Elsevier (ScienceDirect) or Wiley Online Library, the cause is publisher-imposed restrictions.
- Fortunately, EndNote works reliably with many other publishers and databases.
- Elsevier and Wiley are exceptions because of their technical barriers and policy choices.
- The only permanent solution would be for the publishers to allow direct PDF access again.
Until then, the most dependable workflow is to try VPN/OpenURL → use the publisher URL → download manually → attach in EndNote.
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