Topic Last Modified: 2011-04-28

Use the Queues page in Queue Viewer to view and perform actions on queues. The types of queues you may see are briefly described in the following list. With the exception of Submission queue, queues are displayed only if there are messages waiting to be delivered in them.

You can perform the following actions on queues:

View Messages

When you select a queue and then click View Messages, a new tab is opened. This tab has the name of the queue and is essentially a copy of the Messages tab that is pre-filtered to only show the messages in that specific queue. For more information about managing messages, see Toolbox > Queue Viewer > Messages Tab.

Suspend

To temporarily delay the delivery of all messages that are currently in a queue, select the queue and then click Suspend queue. The queue continues to accept new messages, but no messages leave the queue.

Resume

To resume a suspended queue, select the queue and then click Resume queue. This action only appears if the selected queue is suspended.

Retry

This action overrides the next scheduled connection attempt and tries to connect to the next hop immediately. If no connection is made, the next retry time is reset. To retry a queue, select the queue and then click Retry. This action only appears if the selected queue is in the retry state.

Remove messages (with NDR)

To remove all messages from a queue and send an NDR for each message, select the queue and then click Remove messages (with NDR).

Note:
If the queue contains NDRs, Exchange won't send an NDR for those even if you choose the Remove (with NDR) action.
Remove messages (without sending NDR)

To remove all messages from a queue without generating an NDR for each message, select the queue and then click Remove messages (without sending NDR).

To filter the displayed queues, click Create Filter.

To add or remove the queue properties that are displayed, in the action pane, directly under Queue Viewer, click View, and then click Add/Remove Columns.

The queue properties that you can use to create filter expressions or display in the columns of the Queues page are described in the following list:

Delivery Type

This value is determined by the next hop selection. The next hop selection identifies where messages are queued for delivery. The delivery type can be one of the following values:

  • DNSConnectorDelivery   The messages are queued for delivery to an external recipient by using an SMTP connector that is located on the local server and that is configured to use Domain Name System (DNS) for routing resolution.

  • NonSmtpGatewayDelivery   The messages are queued for delivery to an external recipient by using a non-SMTP connector on the local server.

  • SmartHostConnectorDelivery   The messages are queued for delivery to an external recipient by using an SMTP connector that is located on the local server and that is configured to use a smart host for routing resolution.

  • SmtpRelayWithinAdSitetoEdge   The messages are queued for delivery to an external recipient by using an SMTP connector that is located on an Edge Transport server that is subscribed to the local Active Directory site.

  • MapiDelivery   The messages are queued for delivery to recipients that have mailboxes that are located on a mailbox server that is located in the local Active Directory site.

  • SmtpRelayWithinAdSite   The messages are queued for delivery to a Hub Transport server that is located in the same Active Directory site as the local server. The destination server can be the source server for an SMTP connector, the source server of a routing group connector, or an expansion server.

  • SmtpRelaytoRemoteAdSite   The messages are queued for delivery to a server that is located in a remote Active Directory site. The destination server can be the source server for a connector that is configured to transport messages for external recipients, an expansion server, or a Hub Transport server that delivers messages addressed to mailbox recipients that are located in the remote Active Directory site.

  • SmtpRelaytoTiRg   The messages are queued for delivery to an Exchange Server 2003 routing group. The destination server can be the source server for a connector that is configured to transport messages for external recipients, an expansion server, or an Exchange Server 2003 bridgehead server that delivers messages addressed to mailbox recipients that are located in the routing group.

  • Undefined   The messages are located in the Submission queue, and the next hop destination hasn't yet been resolved.

  • Unreachable   The messages are located in the Unreachable queue, and a route to the recipient couldn't be established.

Last Error

This value is a text string of the last error that was recorded for a queue.

Last Retry Time

This value specifies the date-time of the last connection attempt for a queue that has a status of Retry.

Message Count

This value is expressed as an integer that represents the number of items in the queue.

Next Hop Connector

This value is expressed as a system GUID and is the GUID of the connector that was used to create the queue.

Next Hop Domain

This value specifies the next destination of a delivery queue. The next hop domain can be expressed as follows:

  • Remote SMTP domain name

  • Exchange server name

  • Connector name

  • Routing group

  • Active Directory site name

  • Mailbox server fully qualified domain name (FQDN)

Next Retry Time

This value specifies the date-time of the next connection attempt for a queue that has a status of Retry.

Status

The current queue status. A queue can have one of the following status values:

  • Active

  • Suspended

  • Ready

  • Retry