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The LcsLog purge job may fail with the following error message in Microsoft Skype for Business Server 2019 or Skype for Business Server 2015:

Message: The DELETE statement conflicted with the REFERENCE constraint "FK_FocusJoinsAndLeaves_4". The conflict occurred in database "LcsLog", table "dbo.FocusJoinsAndLeaves". The statement has been terminated.​


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