The "Retain deleted items for the specified number of days" setting should be configured correctly. 0 - 30 Days (1) Powershell: Get-ExchangeConfiguration -configType DeletedItemRetention |Select-Object -Property SettingData Microsoft Tool: Security Compliance Manager (SCM) Microsoft Baseline: Exchange Server 2007 SP3 1.0 SCM URL: http://go.microsoft.com/fwlink/?LinkId=113940 Note, use SCM global search and baseline filter to locate settings related to CCE ID Microsoft Security Compliance Manager (SCM) Baselines and Settings Packs Microsoft