PRTG Manual: Windows MSMQ Queue Length Sensor
The Windows MSMQ Queue Length sensor reads the number of messages in a Microsoft message queue of the parent device.
For a detailed list and descriptions of the channels that this sensor can show, see section Channel List.
- Dutch: Windows MSMQ wachtrijlengte
- French: Windows MSMQ longueur de la file d'attente
- German: Windows MSMQ Queue-Länge
- Japanese: Windows MSMQ キュー長
- Portuguese: Comprimento da fila MSMQ Windows
- Russian: Длина очереди Windows MSMQ
- Simplified Chinese: Windows MSMQ 队列长度
- Spanish: Longitud de cola MSMQ Windows
- This sensor has a high performance impact. We recommend that you use no more than 200 of this sensor on each probe.
- This sensor requires that the Microsoft Message Queuing (MSMQ) service runs on both the probe system and the target system.
- This sensor requires .NET 4.7.2 or later from Microsoft on the probe system. If the sensor shows the error PE087, additionally install .NET 3.5 on the probe system.
- We recommend Windows Server 2016 on the probe system for best performance of this sensor.
- This sensor requires credentials for Windows systems in the settings of the parent device.
- This sensor cannot monitor subqueues.
- If no message queues are available in the Add Sensor dialog, you see a corresponding message.
- This sensor supports IPv6.
- Knowledge Base: How do I activate Message Queuing in my Windows installation?
You cannot add this sensor to the hosted probe of a PRTG Hosted Monitor instance. If you want to use this sensor, add it to a remote probe device.
Requirement |
Description |
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For this sensor to work, the MSMQ service must be started both on the target system and on the probe system. Additionally, the MSMQ service must also be started on the target system. To enable the service, log in to the respective system and open the services manager (for example, via services.msc). In the list, find the respective service and set its Start Type to Automatic. Depending on your Windows version, you might first need to install the MSMQ Server.
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This sensor requires .NET 4.7.2 or later to be installed on the probe system (on every cluster node, if on a cluster probe).
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This sensor requires credentials for Windows systems in the settings of the parent device. We recommend that you use Windows domain credentials.
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Setting |
Description |
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Sensor Name |
Enter a name to identify the sensor. By default, PRTG shows this name in the device tree, as well as in alarms, logs, notifications, reports, maps, libraries, and tickets.
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Parent Tags |
The tags that the sensor inherits from its parent device, parent group, and parent probe.
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Tags |
Enter one or more tags. Confirm each tag with the Spacebar key, a comma, or the Enter key. You can use tags to group objects and use tag-filtered views later on. Tags are not case-sensitive. Tags are automatically inherited.
The sensor has the following default tags that are automatically predefined in the sensor's settings when you add the sensor:
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Priority |
Select a priority for the sensor. This setting determines the position of the sensor in lists. The highest priority is at the top of a list. Choose from the lowest priority ( |
Setting |
Description |
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Message Queue |
The name of the message queue that this sensor monitors. |
Message Queue Type |
The type of the message queue that this sensor monitors. |
Minimum Message Age |
Optionally define an age in minutes that the message must be for the sensor to count it. If you set a minimum message age, the sensor does not regard messages that are younger than this age. If you leave this field empty, the sensor does not check for the message age. Enter an integer or leave the field empty. |
If Value Changes |
Define what the sensor does when its value changes:
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Setting |
Description |
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Result Handling |
Define what PRTG does with the sensor result:
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Setting |
Description |
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Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, the last value of the primary channel is always displayed below the sensor's name. The available options depend on what channels are available for this sensor.
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Graph Type |
Define how different channels are shown for this sensor:
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Stack Unit |
This setting is only visible if you select Stack channels on top of each other above. Select a unit from the list. All channels with this unit are stacked on top of each other. By default, you cannot exclude single channels from stacking if they use the selected unit. However, there is an advanced procedure to do so. |
By default, all of these settings are inherited from objects that are higher in the hierarchy. We recommend that you change them centrally in the root group settings if necessary. To change a setting for this object only, click under the corresponding setting name to disable the inheritance and to display its options.
For more information, see section Inheritance of Settings.
For more information, see section Root Group Settings, section Scanning Interval.
Schedules, Dependencies, and Maintenance Window
You cannot interrupt the inheritance for schedules, dependencies, and maintenance windows. The corresponding settings from the parent objects are always active. However, you can define additional schedules, dependencies, and maintenance windows. They are active at the same time as the parent objects' settings.
For more information, see section Root Group Settings, section Schedules, Dependencies, and Maintenance Window (default).
For more information, see section Root Group Settings, section Access Rights.
Which channels the sensor actually shows might depend on the target device, the available components, and the sensor setup.
Channel |
Description |
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Downtime |
In the channel table on the Overview tab, this channel never shows any values. PRTG uses this channel in graphs and reports to show the amount of time in which the sensor was in the Down status |
Execution Time |
The execution time |
Messages |
The total number of messages in the queue
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KNOWLEDGE BASE
How do I activate Message Queuing in my Windows installation?
Which .NET version does PRTG require?
What security features does PRTG include?