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Dynamics 365 Community / Forums / Customer experience | Sales, Customer Insights,... / Unsubscribe link erroring
Customer experience | Sales, Customer Insights,...
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Unsubscribe link erroring

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Posted on by Chris1968 349
Hi,

As anyone else had this error message appear which occurs when the unsubscribe link is selected from an email sent out via Dynamics



Categories:
Dynamics 365 Customer Insights - Journeys
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  • Suggested answer
    11manish Profile Picture
    11manish 962 on at
    The error screen captured in image is the generic Microsoft Power Pages / Dynamics Portal error page. It indicates that while the portal itself is online, a server-side exception or database failure occurred behind the scenes when trying to load or execute the unsubscription logic.
     
    • Validation Failures: The underlying Dataverse table has a mandatory (Business Required) field that is missing or unpopulated on the unsubscribe form canvas layout.
    • Domain Authentication: External websites hosting embedded unsubscribe forms lack proper domain authentication inside the Dynamics Marketing Settings.
    • Deactivated Records: The specific Subscription List records or fields tied to the form have been deactivated or deleted in the environment.
    • Link Corruption: Corporate email security scanners (such as Microsoft Defender Safe Links) can alter or truncate the unique encrypted contact identifier GUID appended to the tracking URL.
  • Suggested answer
    ManoVerse Profile Picture
    ManoVerse 1,281 Super User 2026 Season 1 on at
    This usually happens when something isn’t set up quite right with the unsubscribe page. For e.g, the page might be missing, not published, deleted, or the link in the email could be wrong or outdated. It can also occur if the site hosting the page isn’t accessible, or if the contact doesn’t have the required consent or subscription details.
    What you can check:
    Make sure the subscription (or preference) page is live and published
    Confirm the correct page is linked in your email settings
    Check that the unsubscribe link is using the standard dynamic token
    Ensure the website/portal is accessible and permissions are correct
     
     this error usually means the unsubscribe page link or setup is broken somewhere, not a random issue.
    If this helps, please mark this answer verified to help other community member and close this thread

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