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Email truncation with “&” when tracking is enabled in Adobe Campaign Standard

Last update: Fri Mar 06 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

In Adobe Campaign Standard (ACS), when tracking is enabled, the tracked URL can be truncated at the first “&” character, causing everything after it to be dropped and breaking the link; the original content is not deleted—only the generated tracked URL is affected. To fix this, ensure proper URL encoding and review tracking rules, and optionally avoid using “&” in display text by replacing it with “and” or an en dash (–).

Description description

Environment

  • Product: Adobe Campaign Standard, v25.2
  • Instance: Production and Stage

Issue/Symptoms

  • Live sends with tracking enabled generate tracked URLs that are truncated at the first “&” character.
  • All parameters after the “&” are dropped from the tracked URL, which breaks the link.
  • The email content stored in ACS is not modified; the issue occurs only in the generated tracked URL, not in the stored content.
  • The email content appears correctly in AEM, ACS, and test sends when tracking is disabled.

Resolution resolution

To fix this issue, follow these steps:

  1. Check the email HTML and make sure all links are correctly encoded. Use & for ampersands in href attributes, and URL‑encode any dynamic values. Make sure all HTML entities are properly escaped.
  2. Review the link‑tracking setup and confirm that no custom rules or regex split the URL at “&”. The tracking process must capture the full URL, including all parameters.
  3. As a workaround, avoid using “&” in visible text such as button labels, link text, or headings. Use “and” or an en dash (–) instead. If you must show “&” in link text, wrap the text inside a <span> within the <a> tag (for example: …<span>Text &amp;amp; More Text</span></a>).
  4. Send a proof with tracking enabled and verify that the tracked URL contains all parameters and is not truncated.

Note: This issue relates to encoding or unescaped HTML entities during ACS’s link-tracking process. Encode all HTML entities properly for optimal system compatibility.

Delivery best practices in the campaign v8 documentation

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