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<%NUMBERING1%>.<%NUMBERING2%>.<%NUMBERING3%> PRTG Manual: System Status

On the System Status tab, you can view relevant system information. Furthermore, this page shows interesting usage statistics. Use the quick links for fast access to status information.

i_round_blueYou might need this data for debugging or when you contact the Paessler support team. They ask you in some cases to provide system status information to analyze any issues with PRTG.

i_round_blueThis documentation refers to an administrator that accesses the PRTG web interface on a master node. Other user accounts, interfaces, or failover nodes might not have all of the options in the way described here. In a cluster, note that failover nodes are read-only by default.

i_podIf 15 minutes (900) seconds have passed since your last credential-based login and you open a setup page from a different setup page, PRTG asks you to enter your credentials again for security reasons. A dialog box appears. Enter your Login Name and Password and click OK to continue.

Quick Links

Quick Links

In this section:

Software Version and Server Information

This section shows information about the software version and the PRTG core server system.

Software Version and Server Information

Software Version and Server Information

Category

Description

PRTG Version

Shows the exact build version of the PRTG installation.

Auto-Update Status

Shows the latest auto-update message available from the auto-update. For example, the message indicates that an update was successfully installed.

i_podThis information is not displayed in PRTG Hosted Monitor.

Operating System

Shows the exact Windows version, build, and service packs, the number and kind of CPUs, and the computer name of the PRTG core server system.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

i_round_blueIf you run PRTG on virtual systems, some of the information might not be available.

i_podThis information is not displayed in PRTG Hosted Monitor.

Server Time

Shows the date and time of the PRTG core server system.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Server CPU Load

Shows the CPU load of the PRTG core server system.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

User Name

Shows the user name of the user account that you are logged in to PRTG with.

Active User Sessions

Shows the user names of all user accounts that are logged in to PRTG.

i_round_blueWhen a user account logs out, it takes up to 1 minute until the user name disappears.

Browser

Shows the name and user agent string of the browser that you are viewing this page with.

License Information

This section shows information about your license.

License Information

License Information

Setting

Description

License Status

Shows the activation status of this PRTG installation. Usually, PRTG automatically completes the activation during installation or when you change your license information.

i_round_redIf PRTG cannot directly connect to the internet, a manual activation is necessary.

i_square_cyanFor more information, see section Activate the Product.

License Name

Shows the owner of the license that you use for this PRTG installation, for example ExampleOrganization.

i_round_blueThe License Name (PRTG Network Monitor only), license key, and system ID make up your license information.

i_round_blueYou can find the label License Owner in some documents from the Paessler shop. License Owner is the same as License Name, for which you might be asked when you install PRTG or when you change your license key.

License Key

Shows the license key that you use for this PRTG installation.

i_round_blueThe License Name (PRTG Network Monitor only), license key, and system ID make up your license information.

System ID

The system ID is a fixed value that is automatically assigned to a PRTG installation.

i_round_blueThe License Name (PRTG Network Monitor only), license key, and system ID make up your license information.

Licensed Edition

Shows the license that you use for this PRTG installation. This determines how many sensors you can use in PRTG.

Last Update

Shows the date of the last update for this PRTG installation. We recommend that you use the auto-update.

Maintenance until

Shows the expiration date and the number of days that remain for your active maintenance contract. You can buy maintenance for each license.

i_round_blueIf you have an active maintenance contract, you have access to any available updates and to our premium email support.

i_round_blueThis information is not visible in Paessler PRTG Enterprise Monitor.

Number of Sensors

Shows the number of sensors that you can use in PRTG. If you reach the limit, PRTG automatically sets each new sensor that you add to the Paused status.

Editions that allow an unlimited number of sensors do not restrict the number of possible sensors by license, so you can create sensors until you reach the performance limit. This means that you can use about 10,000 sensors per PRTG core server. However, this number depends on the performance of the PRTG core server system, and sensors and scanning intervals.

i_square_cyanFor more information, see section System Requirements.

System Startup Log

This section shows the log information that was created during the last startup of the PRTG core server.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

System Startup Log

System Startup Log

System Warnings

This section shows if there are any warnings. Usually, you see None.

System Warnings

System Warnings

Cluster Status

This setting is only visible if you have a failover cluster. This section shows all of your cluster nodes.

Cluster Status

Cluster Status

Category

Description

Node x

Shows the name and type of the cluster node (primary node or secondary node) and its status (current master node or failover node). It also shows all connections from this cluster node to the other cluster nodes.

i_square_cyanFor more information, see section Cluster Status.

Local Status

This setting is only visible if you have a failover cluster. This section shows information about the cluster node that you are logged in to.

Local Status

Local Status

Category

Description

Server State

Shows the name of the cluster node and its status (current master node or failover node).

Cluster Messages

Shows internal summary information about the cluster node and the communication between the cluster nodes. You might be asked about this by the Paessler support team.

Cluster Connections

This setting is only visible if you have a failover cluster. This section shows information about the connections between the cluster nodes.

Cluster Connections

Cluster Connections

Category

Description

State of Local Node

Shows the treeversion and size of the server volume, both types of internal system information.

State of Cluster Members

Shows the name and IP address, a state cyclic redundancy check (CRC) code, the time stamp of the last "keep alive" signal, the size of the buffer, and the remote IP address of each cluster node.

Message State of Cluster Members

Shows the name and unique identifier, the connection state, and statistics about the cluster message system of each cluster node.

PRTG Core Server System Memory

This section shows machine-oriented information regarding the memory usage of the PRTG core server system.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

PRTG Core Server System Memory

PRTG Core Server System Memory

Category

Description

Committed

The amount of memory that your system commits to the PRTG core server system.

Allocated

The amount of memory that the PRTG core server system is currently using.

Unused

The amount of allocated memory that the PRTG core server system is currently not using.

Free Physical

The amount of free memory that is currently available in the physical memory of the PRTG core server system.

Total Physical

The total amount of memory that is provided by the physical memory of the PRTG core server system.

Free Pagefile

The amount of free memory that is currently available in your system’s pagefile(s).

Total Pagefile

The total amount of memory of your system’s pagefile(s).

Free Virtual

The amount of free memory that is available in the virtual memory of the PRTG core server system.

Total Virtual

The total amount of memory of the virtual memory of the PRTG core server system.

Free Effective

The effective amount of free memory on your PRTG core server system. This corresponds to Free Pagefile.

Object Count

The number of PRTG-internal data structures, also known as tree nodes, for example, the number of sensors, users, and reports.

BaseInstance

The amount of memory that is used for the tree node Instance.

BaseAccess

The amount of memory that is used for the tree node Access Rights.

BaseHistory

The amount of memory that is used for the tree node History of Configuration Changes.

BaseCurrent

The amount of memory that is used for the tree node Current Configuration Information.

BaseData

The amount of memory that is used for the tree node Configuration Data.

BaseChannel

The amount of memory that is used for the tree node Channel Settings.

BaseTrigger

The amount of memory that is used for the tree node Trigger.

BaseIDs

The amount of memory that is used for the tree node IDs.

BaseLookup

The amount of memory that is used for the tree node Sensor Lookups.

BaseCheck

The amount of memory that is used for the tree node Check Requests.

BaseDeplist

The amount of memory that is used for the tree node Dependency List.

Datasets

The amount of memory that is currently used for datasets, like for graphs.

State

The amount of memory that is currently used for user-specific datasets.

Interface

The amount of memory that is currently used for tree node-specific table objects.

IndexCache

The amount of memory that is currently used for the index dataset cache that is particularly important in a cluster.

TreeTotal

The total amount of memory that is used by the PRTG tree.

DatasetCache

The amount of memory that is currently used for the dataset cache, in particular regarding historic data. In parentheses, you see the number of datasets that are saved in the cache.

StorageSystem

The amount of memory space that is currently used for the storage system.

Sessions

The amount of memory that is currently used for sessions. A user can activate more than one session. In parentheses, you see the number of currently activated sessions.

StateObjects

The number of user-specific state objects that are found in the memory of the PRTG core server system.

Thread Information

The section shows machine-oriented information regarding threads that are running on the PRTG core server system.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Thread Information

Thread Information

Activity History

This section shows how busy PRTG was for you in the past. The graphs indicate the number of activities in the last 365 days. Below the graphs, you see statistics about the past day.

Activity History

Activity History

Category

Description

Sensor Scans

Shows how often all sensors refreshed their data in the past.

Sensor Status Changes

Shows how often the sensor states changed in the past.

Notifications Sent

Shows how many notifications PRTG sent out in the past.

Reports Generated

Shows how many reports PRTG created in the past.

Page Views

Shows how often pages in the PRTG web interface were opened in the past.

Sensors

Shows how many sensors existed in the past.

Devices

Shows how many devices existed in the past.

Reports

Shows how many reports existed in the past.

Maps

Shows how many maps existed in the past.

Auto-Discovery Tasks

This section shows information on the auto-discovery.

Auto-Discovery Tasks

Auto-Discovery Tasks

Category

Description

Running

Shows the number of auto-discovery tasks that are running.

i_round_blueA high number of auto-discovery tasks can negatively influence system performance.

Background Tasks

This section shows information on background tasks.

Background Tasks

Background Tasks

Category

Description

Historic Data

Shows if PRTG is recalculating the historic data cache in the background. If so, you see the tasks to do until done. Usually, PRTG does this calculation after every PRTG core server restart.

Toplist Buffer

Shows the size of the Toplist buffer. When you use Flow (NetFlow, jFlow, sFlow, IPFIX) or Packet Sniffer sensors, PRTG stores Toplist data. The data stream received is buffered and written to the data directory of the PRTG core server system.

i_round_blueDepending on the number and size of the data stream as well as the hard disk and system performance of the PRTG core server system, the buffer size can rise. When the buffer size reaches 500, PRTG drops Toplist data, which can lead to incorrect Toplist values for the sensors.

Similar Sensors Detection

Shows the status and the selected setting for the depth of the similar sensors analysis.

Recommended Sensors Detection

Shows the status of the detection engine and the tasks of the recommended sensors detection.

Database Objects

This section shows statistic information about your monitoring configuration. This information might be necessary when contacting the Paessler support team.

Database Objects

Database Objects

Category

Description

Probes

Shows the total number of probes in the PRTG installation.

Groups

Shows the total number of groups in the PRTG installation.

Devices

Shows the total number of devices in the PRTG installation.

Sensors

Shows the total number of sensors in the PRTG installation.

Channels

Shows the total number of channels in the PRTG installation.

User Groups

Shows the total number of user groups in the PRTG installation.

Users

Shows the total number of users in the PRTG installation.

Notifications

Shows the total number of notifications in the PRTG installation.

Schedules

Shows the total number of schedules in the PRTG installation.

Maps

Shows the total number of created maps in the PRTG installation.

Libraries

Shows the total number of created libraries in the PRTG installation.

Reports

Shows the total number of reports in the PRTG installation.

BitField/Boolean/Integer/Range Lookups

Shows the total number of used lookups by lookup type.

Requests/Second

Shows a value that is calculated from the total number of sensors and the average scanning interval configured. This number indicates how many monitoring requests per second are sent from the probes to the devices in your network.

i_round_blueThere are no general guidelines on what a good value is here. This depends on the sensors that you use as well as on the performance of the probe system.

Sensors Sorted by Impact on System Performance

This section shows all sensors that you use in your configuration in order of performance impact (from very low to very high). If the CPU load of the probe system is very high, you can see which sensors might be causing this issue. Consider the recommended number of sensors in the respective sections for sensors with a high or very high performance impact.

i_round_blueIn the list, internal short names are used for sensors instead of the official designations. You can find a list of all sensors and their internal IDs, among others, via /sensorlist.htm, for example https://yourserver/sensorlist.htm.

i_round_blueYou can also see the performance impact of a sensor on the sensor's Overview tab or in the Add Sensor dialog.

i_square_cyanFor an overview list of all sensors, including their performance impact, see section List of Available Sensor Types.

Sensors Sorted by Impact on System Performance

Sensors Sorted by Impact on System Performance

Sensors Sorted by Interval

Shows all sensors used in your configuration in order of scanning interval. Choose reasonable scanning intervals for sensors that can affect the system performance. See the respective sections for sensors for more information.

i_round_blueIn the list, internal short names are used for sensors instead of the official designations. You can find a list of all sensors and their internal IDs, among others, via /sensorlist.htm, for example https://yourserver/sensorlist.htm.

Sensors Sorted by Interval

Sensors Sorted by Interval

Probes

This section lists all probes in your monitoring setup. If there are no remote probes, only the local probe or the hosted probe appears in the list, which always runs on the PRTG core server.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to. Remote probes (if any) are only shown when you are logged in to the primary master node. When you are logged in to a failover node, the cluster probe on this cluster node appears as local probe.

Probes

Probes

Category

Description

Probe #x "[Name]"

Shows information about the connection status. If the probe is connected, the field shows the source IP address and port number used by the probe. For the local probe, the IP address is always 127.0.0.1. You also see information about the date when the last data packet was received from the probe.

If you want to restart a single probe, open the Administrative Tools settings.

System Settings

This sections shows information about system settings.

System Settings

System Settings

Category

Description

Web Server URL

Shows the URL to access the PRTG web interface.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Web Server IP Addresses

Shows all IP addresses that the PRTG web server runs on.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Web Server Ports

Shows the ports that the PRTG web server runs on.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Web Server Port Usage

Shows the type of port used by the PRTG web server.

SSL/TLS Versions for Web Server

Shows the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) versions used for connections to and from the PRTG web server.

i_round_blueThis is only shown if you use an SSL/TLS-secured connection.

Web Server Ciphers

Shows the ciphers used by the PRTG web server.

i_round_blueThis is only shown if you use an SSL/TLS-secured connection.

SSL/TLS Versions for Probe Port

Shows the SSL/TLS versions used for the probe port.

Probe Ciphers

Shows the ciphers used for the remote probe connection.

DH Parameters Size

Shows the length of the Diffie-Hellman (DH) parameters.

i_round_blueThis is only shown if you use an SSL/TLS-secured connection.

Incoming Probe Connection Binding

Shows a combination of the incoming probe connection IP address and the incoming probe connection port.

Incoming Probe Connection IP Addresses

Shows a list of all IP addresses on which PRTG listens for incoming remote probe connections.

i_round_blueThis is the same information as in the Core & Probes settings. 0.0.0.0 means that the PRTG core server listens on all local network adapter IP addresses.

Incoming Probe Connection Port

Shows the port number on which the PRTG listens for incoming remote probe connections. The default port is 23560.

Probe Allow IP Addresses

Shows all source IP addresses that PRTG accepts for incoming remote probe connections.

i_round_blueThis is the same information as in the Core & Probes settings. any means that all remote probe connections are accepted, regardless of the IP address of the remote probe system.

Probe Deny IP Addresses

Shows all source IP addresses that PRTG denies for incoming remote probe connections.

i_round_blueThis is the same information as in the Core & Probes settings. Denied IP addresses are superior to allowed IP addresses. If this field is empty, there are no denied IP addresses.

i_round_bluePRTG automatically adds the IP address of a remote probe system to this list when you delete a remote probe from the device tree.

Data Path

Shows the path where PRTG stores its configuration, monitoring database, etc.

i_round_blueTo change this setting, open the PRTG Administration Tool on the PRTG core server system (or of the respective cluster node, if applicable).

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Web Server Activity

This section shows statistics about the PRTG web server since the last startup. All values are reset when the PRTG core server is restarted.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to.

Web Server Activity

Web Server Activity

Category

Description

Time Since Startup

Shows the time that has passed since the PRTG web server was started.

Page Views

Shows the total number of page views on this PRTG core server.

Geo Maps

Shows the total number of geographical maps shown on this PRTG core server.

HTTP Requests

Shows the total number of HTTP requests to this PRTG core server.

HTTP Requests > 500 ms

Shows for how many (percent) of the HTTP requests above the page delivery took longer than 500 milliseconds (ms).

HTTP Requests > 1000 ms

Shows for how many (percent) of the HTTP requests above the page delivery took longer than 1,000 ms.

HTTP Requests > 5000 ms

Shows for how many (percent) of the HTTP requests above the page delivery took longer than 5,000 ms.

Slow Request Ratio

Shows a calculated number of the HTTP request values above.

i_round_blueThe lower this number is, the faster the PRTG web interface is.

Failed Logins (Recent/Total)

Shows the number of recent failed logins and failed logins in total.

i_round_bluePRTG only shows this statistic when the number of failed logins is larger than 50.

Synchronization

The PRTG core server holds the configuration of the entire monitoring setup and deploys it to the probes. This section shows statistics about the synchronization of the PRTG core server with the local probe and all connected remote probes (if any), since the last startup of the PRTG core server. All values are reset when the PRTG core server is restarted.

i_round_blueIf you run PRTG in a cluster, this shows information for the system of the cluster node you are logged in to. You must log in to the primary master node to see synchronization data for remote probe connections.

Synchronization

Synchronization

Category

Description

Last Synchronization with a Probe

Shows the time stamp of the last probe synchronization, and if there is still something to do.

Probe/Core Message Count

Shows the total number of messages sent between the PRTG core server and probes, as well as a calculated message speed value.

Raw Buffer Count

Shows the number of raw buffers and a corresponding status indicator.

Configuration Requests Sent

Shows the total number of configuration requests and the requests that still need to be sent.

Configuration Requests Deleted

Internal debug information. Usually, this value is 0.

Configuration Requests With Response

Internal debug information. Usually, this value is 0.

More

i_square_blueKNOWLEDGE BASE

How can I speed up PRTG—especially for large installations?

Others

There are some settings that you must make in the PRTG Administration Tool. For more details, see the sections: