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The Frog Pond of Technology

Ripples of Knowledge for SharePoint and Other .Net Technologies


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Brian T. Jackett
Columbus, OH

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March 2013 Entries

PowerShell Script to Remove SharePoint 2010 or 2013 List Duplicates

<Updated 2013-05-11> Recently Derek, a fellow Premier Field Engineer (PFE), had a customer request on how to remove duplicates from a SharePoint 2010 list. I have written some PowerShell scripts that remove list items, but never to check for duplicates. My main concern for this was performance as looping through a list searching for duplicates could be an expensive operation. Problem As it turns out the customer had a list with more than 85,000 items and many of the list items were duplicates. ......