When perform migration of document library which contain URL link, this URL link is become plain text and not clickable after migrated to SharePoint site
Product defect in Notes Migrator for SharePoint 5.1 & 5.1.1.
The issue has been resolved by installing the latest version of Notes Migrator for SharePoint 5.1.1.324
Please contact Quest Support to obtain the hotfix.
This URL link is not configure as hotspot. Notes Client render them as active link when Make Internet URLs (http://.....) into Hotspots enabled in User preferences setting