When using Duplicate User Merge, the error "OutOfMemoryException Msg=Exception of type System.OutOfMemoryException was thrown." occurs. This may cause server performance to stop, requiring a server reboot. No records are later found to have been merged.
This happens whether the Duplicate User Merge is run manually or by schedule. Log entries for the error occur, such as: Process: aexsvc.exe (6588)Populate the blank fields to ensure that the Duplicate User Merge works correctly and does not result in out of memory errors. This can be done in various ways but may be time consuming, depending on how many records require updating. For example: