PowerShell examples

• Move all mailboxes from Server1 to a target database on Server2.
  Get-Mailbox -Server Server1 | Move-Mailbox -TargetDatabase Server2Executives
• Get all users from the OU “Gemigreerde Accounts” who don’t have UMRAMAILBOXMIGRATED in their Notes attribute and disconnect the mailbox from the user object.
  get-user -organizationalUnit “Gemigreerde Accounts” | where-object{$_.Notes -ne “UMRAMAILBOXMIGRATED”} | disable-Mailbox
• Gets all processes which consume more than 400 handles and displayes them in a formatted list
  Get-Process | Where { $_.HandleCount -gt 400 } | Format-List
• Get all users from the OU “Gemigreerde Accounts” and create a mailbox for these existing users in a database on EXC01, OWA is disabled. Perform the operation on dc01.tools4ever.local
  get-user -organizationalUnit “Gemigreerde Accounts” | where-object{$_.RecipientType -eq “User”} | Enable-Mailbox -Database “EXC01Mailbox Database” -DomainController “dc01.tools4ever.local”
• Get all groups from the OU “Groepen” and set them as mail enabled with default settings.
  get-group -organizationalUnit “Groepen” | where-object{$_.RecipientType -eq “Group”} | Enable-DistributionGroup -DomainController “dc01.tools4ever.local”
• Configures the mailbox to be hidden from the GAL and unable to receive any data.
  Set-Mailbox -Identity “CN=user,OU=Office,DC=tools4ever,DC=local” -HiddenFromAddressListsEnabled $true -MaxReceiveSize 0KB
• Adds full access to janea to the mailbox specified by the identity parameter.
  Add-MailboxPermission -Identity “CN=user,OU=Office,DC=tools4ever,DC=local” -AccessRights FullAccess -user “janea”
• Get mailbox permission from user account.
  get-Mailboxpermission -identity “CN=Arnout van der Vorst,OU=Gemigreerde Accounts,OU=DC=tools4ever,DC=local”
• Get AD permissions (send-as/receive-as) from user account.
  get-ADpermission -identity “CN=Arnout van der Vorst,OU=Gemigreerde Accounts,DC=tools4ever,DC=local”
• Get all users from the OU “Gemigreerde Accounts” and set the Notes attribute to an empty string
  get-user -organizationalUnit “Gemigreerde Accounts” | set-user -Notes “” Configures the mailbox with new proxyAddresses Set-Mailbox -Identity “CN=user,OU=Office,DC=tools4ever,DC=local” -ProxyAddresses “SMTP:[email protected],smtp:[email protected]”
• Adds the Full Access permission to a user’s mailbox object
  add-MailboxPermission -identity “CN=Arnout van der Vorst,OU=Gemigreerde Accounts,DC=tools4ever,DC=local” -user “CN=Ab Vos,OU=Gemigreerde Accounts,DC=tools4ever,DC=local” -AccessRights FullAccess
• Removes the Full Access permission to a user’s mailbox object
  remove-MailboxPermission -identity “CN=Arnout van der Vorst,OU=Gemigreerde Accounts,DC=tools4ever,DC=local” -user “CN=Ab Vos,OU=Gemigreerde Accounts,DC=tools4ever,DC=local” -AccessRights FullAccess -Confirm:$false
• Hides the mailbox from Address Book
  set-Mailbox -identity “CN=Arnout van der Vorst,OU=Gemigreerde Accounts,DC=tools4ever,DC=local” -HiddenFromAddressListsEnabled:$true
• Multiple hide from Address Book
  get-user -organizationalUnit “Disabled Accounts” | set-Mailbox -HiddenFromAddressListsEnabled:$true
• Get current domain, forest and PDC domain controller
  [System.DirectoryServices.ActiveDirectory.Domain]::getcurrentdomain() | Ft -property Name,Forest,PdcRoleOwner
• Get PDC
  [System.DirectoryServices.ActiveDirectory.Domain]::getcurrentdomain().PdcRoleOwner.Name.ToString()
• Get ACL on directory
  (get-acl c:data).access | ft
• Get mailbox sizes (2007)
  Get-MailboxStatistics -Database exchangeDatabase | sort $_.TotalItemSize |FT DisplayName,ItemCount,TotalItemSize
• Connect to Exchange 2003 WMI namespace for queries
  $MailboxInfo=get-wmiObject -class Exchange_Mailbox -namespace ROOTMicrosoftExchangeV2 -computername VM-WS03-AVO-001
• Use ADSI to get AD objects
  $UserObject=[ADSI]”LDAP://CN=avdvorst2,OU=Baarn,OU=Offices,OU=Tools4ever,DC=t4evmdemo,DC=local”
• Test if multi-value AD attribute (memberOf) contains a certain entry
  $UserObject.memberOf.contains(“CN=Lyon_Users,OU=Groups,OU=Tools4ever,DC=t4evmdemo,DC=local”)
• Add/remove entry to user proxyAddresses
  $UserObject.proxyAddresses.remove(“”) or $UserObject.proxyAddresses.insert(“”)
• Get the base OU path where an Active Directory object exists
  $UserObject.psbase.Parent.distinguishedName.ToString()
• Get the number of values in a multi-value attribute (memberOf/proxyAddresses)
  $UserObject.proxyAddresses.psbase.Count