Exchange log full – mailbox in quarantine

1 Oct

Sometimes when you experience Exchange log (disk) is full, and some mailboxes will have the status in quarantine. You can do the following:

  1. Check if any users are in quarantine (powershell)
    • Get-MailboxDatabase|Get-Mailbox |Get-Mailboxstatistics |Select Displayname,IsQuarantined |FT -Autosize | Export-Csv c:\temp\mailboxusers.csv
    • Get-MailboxStatistics -identity USERNAME| FL Isquarantined
  2. Solution
    1. Can wait on for the default 6 hours to let exchange release the quarantine
    2. Delete registry (doesn’t work all the time) – use following powershell to check registry for quarantine mailbox
      • Get-ChildItem -Path HKLM:\SYSTEM\CurrentControlSet\services\MSExchangeIS\$env:COMPUTERNAME\ |
        Where-Object {$_.pschildname -ne ‘logstate’ -and $_.pschildname -notlike ‘public*’} |
        Select-Object -ExpandProperty pschildname |
        ForEach-Object {
        Get-ChildItem -Path HKLM:\SYSTEM\CurrentControlSet\services\MSExchangeIS\$Env:COMPUTERNAME\$_\QuarantinedMailboxes |
        Select-Object -ExpandProperty pschildname |
        Get-Mailbox |
        Select-Object -Property name
    3. dismount and mount the maildatabase (powershell)
      • Dismount-Database -Identity MAILBOXDB-Confirm:$False
      • Mount-Database -Identity MAILBOXDB -Confirm:$False
  3. Check status of the mailboxdatabase:
    • Get-MailboxDatabase -Identity MAILBOXDB -Status | Format-Table Name, Mounted, BackupInProgress, OnlineMaintenanceInProgress


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