Issue: You need to get a list of all the email addresses (aliases) in your Exchange environment. Method 1: Export list of all email addresses to a .CSV file using Exchange Management Shell (EMS): Get-Mailbox -ResultSize Unlimited -OrganizationalUnit "OU=Phoenix Users,OU=Phoenix,DC=CONTOSO,DC=COM" |Select-Object DisplayName,PrimarySmtpAddress, @{Name=“EmailAddresses”;Expression={$_.EmailAddresses |Where-Object {$_.PrefixString -ceq “smtp”} | ForEach-Object {$_.SmtpAddress}}} | Export-CSV Read more [...]

The Exchange System (Arbitration) Mailboxes, like 'Discovery Search' are created on the first Exchange server installed in the organization.  If you need to remove a database or uninstall Exchange you will need to move the arbitration mailboxes to a different database or different server, respectively. Command to search all databases for the arbitration mailboxes: get-mailboxdatabase | Get-Mailbox -Arbitration |ft name,database,servername Here is the command to determine if arbitration mailboxes Read more [...]

Background: On any Outlook client, the Offline Address Book (OAB) is used when pulling the list of Outlook Contacts in order to address a message. The offline address book is only updated once every 24 hours, however the update can be forced by (send/receive, download offline address book).  To add more to the story, the Outlook Name Cache is a function of Outlook in which the "To:" line of a new email will automatically populate as soon as the user inputs the first letter of a recipient that they Read more [...]