Return
-
Title
Unable to modify items in the target as the Column "_CopySource" is being created in the target site as a required field -
Description
Failing to modify a migrated item in the target as it is asking to fill up a column called "Copy Source" with internal name "_CopySource"
This column is read only but the item is requesting to have content added to it, this column was not present/visible in the source -
Cause
_CopySource is an internal and out of the box column used when doing Move to and Copy to operations in SharePoint using the native SharePoint copy options -
Resolution
RESOLUTION 1For On-Prem Target1. Before copying the items, disable document parsing usingAdd-PSSnapin Microsoft.SharePoint.PowerShell$web = Get-SPWeb "http://sp-2019:2424/"$web.ParserEnabled = $false$web.Update()$web.Dispose()2. After the copy, re-enable document parsing usingAdd-PSSnapin Microsoft.SharePoint.PowerShell$web = Get-SPWeb "http://sp-2019:2424/"$web.ParserEnabled = $True$web.Update()$web.Dispose()
RESOLUTION 2For SharePoint OnlineContact Quest Support for assistance stripping this column from the List and Item XML when doing the copy.