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Reconnect to Disconnected User Archive

  • On primary Exchange server open Powershell, importing system modules
  • Locate the GUID of the disconnected archive
Get-MailboxDatabase | Get-MailboxStatistics | Where {($_.DisconnectDate -ne $null) -and ($_.IsArchiveMailbox -eq $true)} | select DisplayName,MailboxGuid,Database,DisconnectDate,ItemCount | Format-List
  • You should see output like this
DisplayName    : Personal Archive - Alison Snider
MailboxGuid    : f9bb162d-8a8e-4e15-9361-777c0777bfbf
Database       : Archive Remote Users
DisconnectDate : 4/23/2015 3:22:00 PM
ItemCount      : 0

DisplayName    : Personal Archive - Alison Snider
MailboxGuid    : 6b758150-46c1-47a9-8a35-7fe2088af10a
Database       : Archive Remote Users
DisconnectDate : 4/23/2015 11:22:27 AM
ItemCount      : 7121

DisplayName    : Personal Archive - James Gray
MailboxGuid    : 48201786-72b1-41ce-87ec-a321d21bfa1a
Database       : Archive Remote Users
DisconnectDate : 4/23/2015 3:22:00 PM
ItemCount      : 0
  • Substitute the appropriate GUID from the list and the username of the mailbox to reattach it to into this command.
Get-MailboxDatabase | Get-MailboxStatistics | Where-Object {$_.DisconnectDate -and $_.MailboxGuid -eq "6b758150-46c1-47a9-8a35-7fe2088af10a"} | Connect-Mailbox -user asnider -archive
  • In Outlook take the user out of Cached Mode and restart Outlook. Check the user’s archive. (It may take a few minutes for the archive to be available.)
  • Optional: Put the user back into Cached Mode and restart Outlook.
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