PRTG Manual: System Status

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.

This 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.

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

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

This information is not displayed in PRTG Hosted Monitor.

Server Time

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

If 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.

If 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.

When 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 Status

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

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

For 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.

The License Name, license key, and system ID make up your license information.

You can find the label License Owner in some documents from the Paessler Portal. License Owner is the same as License Name. PRTG might ask you for this information during installation or when you change your license key.

License Key

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

The License Name, 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.

The License Name, license key, and system ID make up your license information.

Customer ID

This setting is only visible if you have a subscription license.

Shows the customer ID of the license that you use for this PRTG installation.

Customer ID

This setting is only visible if you have a subscription license.

Shows the customer ID of the license that you use for this PRTG installation.

Licensed Edition

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

PRTG regularly validates subscription licenses. You can see the next validation date here.

Last Update

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

Subscription until / Maintenance until

Shows the expiration date and the number of days that remain for your active maintenance or subscription. Manage your license at the Paessler Portal for continued access to any available updates and to our premium email support.

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.

For more information, see section System Requirements.

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.

For more information, see section Cluster Status.

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.

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.

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.

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.

Running

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

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

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.

Depending 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.

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.

There 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.

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.

Web Server URL

Shows the URL to access the PRTG web interface.

If 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.

If 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.

If 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.

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

Web Server Ciphers

Shows the ciphers used by the PRTG web server.

This 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.

This 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.

This 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.

This 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.

This 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.

PRTG 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.

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

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

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.

The 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.

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

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.