Applies to: Exchange Server 2007 SP1, Exchange Server 2007
Topic Last Modified: 2007-08-28

When a Microsoft Exchange Server 2007 user sends an e-mail message to a public folder and the message is not delivered, the user receives a non-delivery report (NDR) that resembles the following:

From: Administrator

To: UserName

Subject: Undeliverable: MessageSubject

Sorry, we couldn't deliver your message to the following people or distribution lists. We hope the information below helps you understand what happened. Please read it carefully.

PublicFolderName

There's a problem with the recipient's mailbox. Microsoft Exchange will not attempt to redeliver this e-mail message for you. Please try resending this e-mail message or ask your system administrator for help.

Diagnostic information for administrators:

Generating server: ServerName.example.com

PublicFolderName.example.com

<ExchangeServerName.example.com #5.2.1> #SMTP#

This issue occurs when one of the following two problems exists in your configuration:

This topic explains how to use the Exchange Management Shell and Outlook to correct the 5.2.1 NDR problems that users receive when they send e-mail messages to a mail-enabled public folder.

Before You Begin

Before you perform this procedure, be sure to read the topic Configuring Public Folder Permissions.

For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.

Permissions and Prerequisites for the RTM Version of Exchange 2007

To perform the following procedure in the release to manufacturing (RTM) version of Exchange 2007, the account you use must be delegated the following:

  • Exchange Server Administrator role and local Administrators group for the target server

To perform the following procedure from Outlook, the account you use must have the Owner permission. For more information about public folder client access permissions, see Configuring Public Folder Permissions.

Permissions and Prerequisites for Exchange SP1

To perform the following procedure in Exchange 2007 Service Pack 1 (SP1), the account you use must be delegated the following:

  • Exchange Public Folder Administrator role and local Administrators group for the target server

To perform the following procedure from Outlook, the account you use must have the Owner permission. For more information about public folder client access permissions, see Configuring Public Folder Permissions.

Procedure

To use the Exchange Management Shell to delegate the CreateItems access rights to the Anonymous user for the designated public folder

  1. Run the following command to determine if the Anonymous user has the CreateItems permission for the public folder named Marketing.

    Copy Code 
    Get-PublicFolderClientPermission "\Marketing"

  2. If the Anonymous user does not have the CreateItems permission, run the following command to grant the CreateItems permission.

    Copy Code 
    Add-PublicFolderClientPermission -Identity "\Marketing" -User Anonymous -AccessRights CreateItems

For detailed syntax and parameter information, see the following topics:

To use Microsoft Outlook to remove the "Design in progress" flag from the designated public folder

  1. Start Outlook.

  2. In the navigation pane, right-click the public folder, and then click Properties.

  3. Click the Administration tab.

    Note:
    The Administration tab appears only if you use an account that has Owner permissions for the public folder.

  4. If the Owners only option is selected under the This folder is available to section, click All users with access permission.

  5. Click OK.

For More Information

To learn more about public folders, see Understanding Public Folders.

For more information about how to manage public folders, see Managing Public Folders.