Article ID: 969103 - View products that this article applies to.
When you issue a public DataSet QueryEx(string queryXml) method that includes HitHighlightedSummary in your Windows SharePoint 3.0-based application, the System.IO.PathTooLong exception occurs.
To resolve this issue, apply both the following updates:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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