Applies to: Exchange Server 2013

This topic no longer applies to the cloud-based service. It applies only to on-premises Exchange 2013. To see the current version of the topic that applies to the cloud-based service, change the (v=exchg.150) value in the URL to (v=exchg.160).

Use the Get-PublicFolderMailboxDiagnostics cmdlet to view event-level information about a public folder mailbox. This information can be used to troubleshoot public folder issues.

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

Get-PublicFolderMailboxDiagnostics -Identity <MailboxIdParameter> [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-IncludeDumpsterInfo <SwitchParameter>] [-IncludeHierarchyInfo <SwitchParameter>] [-WhatIf [<SwitchParameter>]]

This example returns the diagnostic information for the public folder mailbox Customer Escalations.

Get-PublicFolderMailboxDiagnostics -Identity "Customer Escalations"

This example returns the diagnostic information for the public folder mailbox Sales Forecasts and exports the report to a CSV file.

Get-PublicFolderMailboxDiagnostics -Identity "Sales Forecasts" | Export-CSV C:\Diagnostics\SalesForecasts.csv

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Public folders" entry in the Sharing and collaboration permissions topic.


Parameter Required Type Description




The Identity parameter specifies the identity of the public folder mailbox. The public folder mailbox is where the content of the public folder resides.




The Confirm switch causes the command to pause processing and requires you to acknowledge what the command will do before processing continues. You don't have to specify a value with the Confirm switch.




This parameter is available only in on-premises Exchange 2013.

The DomainController parameter specifies the fully qualified domain name (FQDN) of the domain controller that retrieves data from Active Directory.




The IncludeDumpsterInfo parameter specifies that diagnostic information for the \NON_IPM_TREE\DUMPSTER_ROOT folder, which serves as the dumpster for public folder mailboxes, is included in the returned information.




The IncludeHierarchyInfo switch specifies whether to include folder hierarchy information in the results. This includes the following information:

  • TotalFolderCount   The total number of public folders in the specified public folder mailbox.

  • MaxFolderChildCount   The largest number of child folders in the public folder hierarchy.

  • HierarchyDepth   The depth of the public folder hierarchy. The root folder is 0.

  • CalendarFolderCount   The number of calendar public folders.

  • ContactFolderCount   The number of calendar public folders.

  • MailPublicFolderCount   The number of mail-enabled public folders.

  • NoteFolderCount   The number of note public folders.

  • StickyNoteFolderCount   The number of sticky note public folders.

  • TaskFolderCount   The number of task public folders.

  • OtherFolderCount   The number of public folders that don't match any of the previously defined public folder types.




The WhatIf switch instructs the command to simulate the actions that it would take on the object. By using the WhatIf switch, you can view what changes would occur without having to apply any of those changes. You don't have to specify a value with the WhatIf switch.

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.

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.