How to Sharepoint: How to create Unique Document IDs in SharePoint Enterprise 2010
For a free SharePoint site, visit http://www.cloudappsportal.com. A SharePoint video tutorial on how to create a unique document ID in a SharePoint site. Use Unique Document IDs to find content, even if it has been moved from its original location, with a unique, human-readable Document ID assigned by SharePoint 2010.