D365 Customer Insights Unification Errors Fixed by Manual Refresh Retry

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A recurring issue in Dynamics 365 Customer Insights caused segments to fail despite the automatic refresh schedule appearing normal. The root cause was traced to the Customer Profiles step within the Unification process, which was not immediately visible on the main Unify screen. Manually re-running only the Customer Profiles task did not resolve the error. The issue was ultimately fixed by manually rerunning the entire pipeline from the data source refresh step onward. As the problem stems from a transient fault rather than a misconfiguration, repeating the full refresh process is sufficient to recover.

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