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Get-CASMailbox

This cmdlet is available in on-premises Exchange and in the cloud-based service. Some parameters and settings may be exclusive to one environment or the other.

Use the Get-CASMailbox cmdlet to view the Client Access settings that are configured on mailboxes.

Note: In Exchange Online PowerShell, we recommend that you use the Get-EXOCASMailbox cmdlet instead of this cmdlet. For more information, see Connect to Exchange Online PowerShell.

For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax.

Syntax

Get-CASMailbox
   [-Anr <String>]
   [-ActiveSyncDebugLogging]
   [-ActiveSyncSuppressReadReceipt]
   [-Credential <PSCredential>]
   [-DomainController <Fqdn>]
   [-Filter <String>]
   [-IgnoreDefaultScope]
   [-Monitoring]
   [-OrganizationalUnit <OrganizationalUnitIdParameter>]
   [-ProtocolSettings]
   [-ReadFromDomainController]
   [-ResultSize <Unlimited>]
   [-SortBy <String>]
   [-ReadIsOptimizedForAccessibility]
   [-RecalculateHasActiveSyncDevicePartnership]
   [-RecipientTypeDetails <RecipientTypeDetails[]>]
   [<CommonParameters>]
Get-CASMailbox
   [[-Identity] <MailboxIdParameter>]
   [-ActiveSyncDebugLogging]
   [-ActiveSyncSuppressReadReceipt]
   [-Credential <PSCredential>]
   [-DomainController <Fqdn>]
   [-Filter <String>]
   [-IgnoreDefaultScope]
   [-Monitoring]
   [-OrganizationalUnit <OrganizationalUnitIdParameter>]
   [-ProtocolSettings]
   [-ReadFromDomainController]
   [-ResultSize <Unlimited>]
   [-SortBy <String>]
   [-ReadIsOptimizedForAccessibility]
   [-RecalculateHasActiveSyncDevicePartnership]
   [-RecipientTypeDetails <RecipientTypeDetails[]>]
   [<CommonParameters>]

Description

This cmdlet returns a variety of client access settings for one or more mailboxes. These settings include options for Outlook on the web, Exchange ActiveSync, POP3, and IMAP4.

You need to be assigned permissions before you can run this cmdlet. Although this topic lists all parameters for the cmdlet, you may not have access to some parameters if they're not included in the permissions assigned to you. To find the permissions required to run any cmdlet or parameter in your organization, see Find the permissions required to run any Exchange cmdlet.

Examples

Example 1

Get-CASMailbox "Jeff Hay"

This example returns the values of the following client access settings for the user named Jeff Hay.

  • ActiveSyncEnabled
  • OWAEnabled
  • PopEnabled
  • ImapEnabled
  • MapiEnabled

Example 2

Get-CASMailbox tony@contoso.com | Format-List Imap*

This example returns all IMAP4 settings for the user tony@contoso.com.

Example 3

Get-CASMailbox chris@contoso.com | Format-List Ews*

This example returns all Exchange Web Services settings for the user chris@contoso.com.

Example 4

Get-CASMailbox -RecipientTypeDetails SharedMailbox | Select *

In Exchange Online, this example filters the cmdlet output to only include shared mailboxes.

Parameters

-ActiveSyncDebugLogging

The ActiveSyncDebugLogging switch shows the actual value of the ActiveSyncDebugLogging property for the mailbox. You don't need to specify a value with this switch.

If you don't use this switch, the value always appears as $false.

To see this value, you need to use a formatting cmdlet. For example, Get-CasMailbox laura@contoso.com -ActiveSyncDebugLogging | Format-List.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-ActiveSyncSuppressReadReceipt

This parameter is reserved for internal Microsoft use.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2016, Exchange Server 2019, Exchange Online

-Anr

The Anr parameter specifies a string on which to perform an ambiguous name resolution (ANR) search. You can specify a partial string and search for objects with an attribute that matches that string. The default attributes searched are:

  • CommonName (CN)
  • DisplayName
  • FirstName
  • LastName
  • Alias
Type:String
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-Credential

The Credential parameter specifies the username and password that's used to run this command. Typically, you use this parameter in scripts or when you need to provide different credentials that have the required permissions.

This parameter requires the creation and passing of a credential object. This credential object is created by using the Get-Credential cmdlet. For more information, see Get-Credential.

Type:PSCredential
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-DomainController

This parameter is available only in on-premises Exchange.

The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name (FQDN). For example, dc01.contoso.com.

Type:Fqdn
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

-Filter

The Filter parameter uses OPATH syntax to filter the results by the specified properties and values. The search criteria uses the syntax "Property -ComparisonOperator 'Value'".

  • Enclose the whole OPATH filter in double quotation marks " ". If the filter contains system values (for example, $true, $false, or $null), use single quotation marks ' ' instead. Although this parameter is a string (not a system block), you can also use braces { }, but only if the filter doesn't contain variables.
  • Property is a filterable property. For more information about the filterable properties, see Filterable properties for the Filter parameter.
  • ComparisonOperator is an OPATH comparison operator (for example -eq for equals and -like for string comparison). For more information about comparison operators, see about_Comparison_Operators.
  • Value is the property value to search for. Enclose text values and variables in single quotation marks ('Value' or '$Variable'). If a variable value contains single quotation marks, you need to identify (escape) the single quotation marks to expand the variable correctly. For example, instead of '$User', use '$($User -Replace "'","''")'. Don't enclose integers or system values in quotation marks (for example, use 500, $true, $false, or $null instead).

You can chain multiple search criteria together using the logical operators -and and -or. For example, "Criteria1 -and Criteria2" or "(Criteria1 -and Criteria2) -or Criteria3".

For detailed information about OPATH filters in Exchange, see Additional OPATH syntax information.

Type:String
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-Identity

The Identity parameter specifies the mailbox that you want to view. You can use any value that uniquely identifies the mailbox. For example:

  • Name
  • Alias
  • Distinguished name (DN)
  • Canonical DN
  • Domain\Username
  • Email address
  • GUID
  • LegacyExchangeDN
  • SamAccountName
  • User ID or user principal name (UPN)
Type:MailboxIdParameter
Position:1
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-IgnoreDefaultScope

The IgnoreDefaultScope switch tells the command to ignore the default recipient scope setting for the Exchange PowerShell session, and to use the entire forest as the scope. You don't need to specify a value with this switch.

This switch enables the command to access Active Directory objects that aren't currently available in the default scope, but also introduces the following restrictions:

  • You can't use the DomainController parameter. The command uses an appropriate global catalog server automatically.
  • You can only use the DN for the Identity parameter. Other forms of identification, such as alias or GUID, aren't accepted.
Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-Monitoring

This parameter is available only in on-premises Exchange.

The Monitoring switch is required to return monitoring mailboxes in the results. You don't need to specify a value with this switch.

Monitoring mailboxes are associated with managed availability and the Exchange Health Manager service, and have a RecipientTypeDetails property value of MonitoringMailbox.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

-OrganizationalUnit

The OrganizationalUnit parameter filters the results based on the object's location in Active Directory. Only objects that exist in the specified location are returned. Valid input for this parameter is an organizational unit (OU) or domain that's returned by the Get-OrganizationalUnit cmdlet. You can use any value that uniquely identifies the OU or domain. For example:

  • Name
  • Canonical name
  • Distinguished name (DN)
  • GUID
Type:OrganizationalUnitIdParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-ProtocolSettings

The ProtocolSettings switch returns the server names, TCP ports and encryption methods for the following settings:

  • ExternalImapSettings
  • InternalImapSettings
  • ExternalPopSettings
  • InternalPopSettings
  • ExternalSmtpSettings
  • InternalSmtpSettings

You don't need to specify a value with this switch.

To see these values, you need to use a formatting cmdlet. For example, Get-CasMailbox laura@contoso.com -ProtocolSettings | Format-List.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-ReadFromDomainController

This parameter is available only in on-premises Exchange.

The ReadFromDomainController switch specifies that information should be read from a domain controller in the user's domain. You don't need to specify a value with this switch.

The command: Set-AdServerSettings -ViewEntireForest $true to include all objects in the forest requires the ReadFromDomainController switch. Otherwise, the command might use a global catalog that contains outdated information. Also, you might need to run multiple iterations of the command with the ReadFromDomainController switch to get the information.

By default, the recipient scope is set to the domain that hosts your Exchange servers.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

-ReadIsOptimizedForAccessibility

The ReadIsOptimizedForAccessibility switch specifies whether to read the value of the IsOptimizedForAccessibility property on the mailbox (whether the mailbox is configured to use the light version of Outlook on the web). You don't need to specify a value with this switch.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2016, Exchange Server 2019, Exchange Online

-RecalculateHasActiveSyncDevicePartnership

The RecalculateHasActiveSyncDevicePartnership switch recalculates the value of the HasActiveSyncDevicePartnership property on the mailbox. You don't need to specify a value with this switch.

The value is automatically updated if it's found to be incorrect.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-RecipientTypeDetails

This parameter is available only in the cloud-based service.

The RecipientTypeDetails parameter filters the results by the specified recipient subtype. Valid values are:

  • DiscoveryMailbox
  • EquipmentMailbox
  • LegacyMailbox
  • LinkedMailbox
  • LinkedRoomMailbox
  • MailUser
  • RoomMailbox
  • SharedMailbox
  • TeamMailbox
  • UserMailbox

You can specify multiple values separated by commas.

Type:RecipientTypeDetails[]
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Online, Exchange Online Protection

-ResultSize

The ResultSize parameter specifies the maximum number of results to return. If you want to return all requests that match the query, use unlimited for the value of this parameter. The default value is 1000.

Type:Unlimited
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

-SortBy

The SortBy parameter specifies the property to sort the results by. You can sort by only one property at a time. The results are sorted in ascending order.

If the default view doesn't include the property you're sorting by, you can append the command with | Format-Table -Auto Property1,Property2,...PropertyX. to create a new view that contains all of the properties that you want to see. Wildcards (*) in the property names are supported.

You can sort by the following properties:

  • Name
  • DisplayName
  • ServerLegacyDN
Type:String
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False
Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online

Inputs

Input types

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn't accept input data.

Outputs

Output types

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn't return data.