3 Install a PRTG Core Server; 4. Basic Sensor Settings. How to Use the New WMI Battery Sensor of PRTG. Synology and PRTG monitoring We monitor our hardware with PRTG monitor from Paessler. The WMI Windows Version sensor reads the Windows version of the parent device via Windows Management Instrumentation (WMI). SNMP and WMI Packet Sniffing sensor can import current status and last request time of Pingdom checks into PRTG; see www. PRTG Sensor Status (EN) PRTG sensors can have multiple states, including up, down, warning and several others. 8 Amazon CloudWatch RDS Sensor. It shows the number of new records per second. PRTG 9 Manual: WMI Pagefile Sensor. The WMI Event Log sensor monitors a specific Windows logfile using Windows Management Instrumentation (WMI). Without it, WMI sensors will not work. PRTG Manual: Login Once the PRTG core server is installed, you can log in to the web interface. Factory sensors, WMI sensors, or Syslog/Trap receiver sensors, to name just a few examples. 15 Working with Table Lists; 7. 15 Working with Table Lists; We will remove this sensor type from PRTG with version 16. Choose between:. 7 Install a PRTG Remote Probe; 4. 0 SMTP Sent Sensor The Windows IIS 6. Besides sensor types that can monitor Windows systems only via WMI, PRTG provides sensor types that can use a hybrid approach. The WMI Microsoft SQL Server sensor monitors the performance of a Microsoft SQL server via Windows Management Instrumentation (WMI). com New: [Sensors] IP SLA sensor. PRTG Manual: Remote Probe Quick Setup Install a PRTG Remote Probe directly by right-clicking on a device in the PRTG device tree. 4 Install a PRTG Cluster; 4. Parent Tags. Therefore, you will not see all setting fields in this dialog. Choose between:. If you fail to do so, a connection via Performance Counters will not be possible. Create the sensor. You can enter these credentials in PRTG for the parent device or group, or in the Root group. It is not possible to immediately set a WMI sensor to a Down status, so the first option will not apply to these sensors. 5 Enter a License Key; 4. 16 Working with Table Lists you can create individual sensors for devices that PRTG does not provide sensor types for out of the box, or write scripts that. I am able to add the sensor just fine but it never picks up the actual data. 2 Active Directory Replication Errors Sensor; 6. WMI Overload Probe Health sensor showing a WMI delay The delay value shows Connection Could Not Be Established (800706ba: The Rpc Server Is Unavailable a co-worker a work email in the middle. If the server on which PRTG is installed is part of a domain, whereas you are trying to monitor a target machine that is not part of the domain, see How can I monitor WMI sensors if the target machine is not part of a domain? for more information. I have also tried the authentication to via https using a trusted certificate and still no luck. Besides sensor types that can monitor Windows systems only via WMI, PRTG provides sensor types that can use a hybrid approach. 0 SMTP service (Exchange 2003) using Windows Performance Counters or Windows Management Instrumentation (WMI), as configured in the "Windows Compatibility Options" of the parent device. The Root group is the highest instance in the object hierarchy of your PRTG setup and parent to all other objects. alldevices and prtg. This sensor can monitor SQL General Statistics, Access Methods, the Buffer Manager, the Memory Manager, the Locks Manager, and SQL Statistics. All other options can apply. Update From Older PRTG Products For all other predecessor products, a direct data import into the current version is not possible. Software Auto-Update. 1 Create a PRTG in the Cloud Instance; 3. 7 Install a PRTG Remote Probe; 4. PRTG Manual: Windows Network Card Sensor The Windows Network Card sensor monitors bandwidth usage and traffic of a network interface using Windows Performance Counters or Windows Management Instrumentation (WMI), as configured in the "Windows Compatibility Options" of the parent device. If you use other user accounts, interfaces, or nodes, you might not see all of the options in the way described here. When you think of how you would monitor a device or service, that is a sensor. 5 Enter a License Key; 4. 7 Install a PRTG Remote Probe; 4. The Root group is the highest instance in the object hierarchy of your PRTG setup and parent to all other objects. It returns the version number (in a channel) as well as the according version name (in the sensor message). I was trying to add ASA to prtg for snmp monitoring. PRTG Version 16 (Does not work in PRTG Version 14). 0 SMTP Sent Sensor The Windows IIS 6. • And here comes the best part: All PRTG licenses allow you to create a "Single Failover" installation (two installations of PRTG working together) with just one license key (additional license keys are required for 3 or more nodes). Software Auto-Update. get_channels() to the get the child channels of that sensor. What can I do?. The WMI Vital System Data sensor monitors vital system parameters (CPU, system, memory, disk, network, server, and CLR memory) using Windows Management Instrumentation (WMI). 6 Activate the Product; 3. In PRTG go to Setup > Administrative tools and choose Reload lookups. 1 Download PRTG; 4. PRTG Manual: Enterprise Console The Enterprise Console (in old PRTG versions called "Windows GUI") is one alternative interface that you can use to connect to the PRTG core server to configure your setup, view monitoring results, and keep an eye on your network. Only members of user groups that have the corresponding access rights can view and edit tickets that are related to a certain monitoring object. This sensor type connects to the parent device via Windows Management Instrumentation (WMI) and monitors the health of IDE disk drives on the target system, using Self-Monitoring, Analysis and Reporting Technology (S. It shows the retrieved value. PRTG Manual: Windows Network Card Sensor The Windows Network Card sensor monitors bandwidth usage and traffic of a network interface using Windows Performance Counters or Windows Management Instrumentation (WMI), as configured in the "Windows Compatibility Options" of the parent device. A user-friendly web-based interface allows users to quickly auto-discover and configure the network devices and sensors they wish to monitor. Sensor types using active flow timeout, this is, NetFlow and jFlow sensors, are not supported by the Sensor Factory sensor. I want to build a custom sensor for PRTG that displays whether logging in on my terminal server is possible or. If you're using custom sensors with PRTG 7, these may not work with PRTG 9 if they do not fully apply to the API definition 1221. PRTG Cloud Sensors - Part 1: Monitor Google Analytics & Drive, Microsoft OneDrive and Dropbox. 1 Download PRTG; 4. It only shows the setting. Hi r/PRTG, As the title states, I keep hitting a roadblock when trying to add WMI service sensors to various servers on our domain. Try to stay below 200 WMI sensors per probe. The WMI HDD Health sensor connects to the parent device via Windows Management Instrumentation (WMI) and monitors the health of IDE disk drives on the target system, using Self-Monitoring, Analysis and Reporting Technology (S. 3 Using PRTG Hosted by Paessler. PRTG Manual: Remote Probe Quick Setup Install a PRTG Remote Probe directly by right-clicking on a device in the PRTG device tree. PRTG Sensor Status (EN) PRTG sensors can have multiple states, including up, down, warning and several others. It is mainly suitable for LAN discovery because it involves a lot of SNMP and WMI. The Add Sensor dialog appears when adding a new sensor on a device manually. This is necessary because the probe service only runs with 32-bit support. The Root Group is Special. For best performance of hybrid sensors using Windows Performance Counters and Windows Management Instrumentation (WMI), we recommend Windows 2008 R2 or higher on the computer running the PRTG probe: This is either on the local system (on every node, if on a cluster probe), or on the system running a remote probe. This is built into most modern IDE hard disk drives. 1 Architecture and User Interfaces; 4. Disabled: Do not activate similar sensors detection. 7 Install a PRTG Remote Probe; 4. Says " the vm could not be found. This sensor type connects to the parent device via Windows Management Instrumentation (WMI) and monitors the health of IDE disk drives on the target system, using Self-Monitoring, Analysis and Reporting Technology (S. If you use other user accounts, interfaces, or nodes, you might not see all of the options in the way described here. Requirement: Remote Registry Service. Above this number, please consider using multiple Remote Probes for load balancing. the system claims it "has not received any data since startup. The Root group is the highest instance in the object hierarchy of your PRTG setup and parent to all other objects. 6 Activate the Product; 4. To monitor remote machines, PRTG WMI sensors need Active Directory account credentials to have access to the WMI interface. PRTG uses Windows Management Instrumentation (WMI), Microsoft's base technology for monitoring and managing Windows based systems, to access data from various Windows configuration parameters and status values. If you want to automatically add sensors to an existing device, please run the auto-discovery on this device. 8 Amazon CloudWatch ELB Sensor; 6. The mapping rule has to be available as a REST configuration file in JSON template (*. It might not work to query data from a probe device via SNMP (querying localhost, 127. Sensors using the WMI protocol have a high impact on system performance. 4 Install a PRTG Cluster; 4. 3 ADO SQL Sensor; 6. …I wanted to see if I could get something a bit more real-time using PRTG to monitor the logs. The Root Group is Special. For the unrestricted sensor licenses the number of sensors is not limited by PRTG's licensing but by technical constraints like performance limitations of hardware, network and other software. So we reversed the above change and re-enabled NTLM, but still WMI is not working, basically we get "Access denied" message on every server. edu is a platform for academics to share research papers. You can enter these credentials in PRTG for the parent device or group, or in the Root group. 2 Update From Previous Versions; 3. 224 WMI Custom Sensor; PRTG does not show the similar sensors section when the analysis is off or when you have exceeded. PRTG will not consider sensors affected by this setting during similarity analysis. PRTG Manual: WMI Windows Version Sensor. Is your PRTG installation already up to date? If not, that's a bummer, because in this case, you won't be able to enjoy the new WMI Battery sensor that we introduced with the 19. Without it, WMI sensors will not work. If you are planning a large installation please refer to our sizing recommendations. Hi guys, I got a prtg installed in a separate server. Sensor types using active flow timeout , this is, NetFlow and jFlow sensors , are not supported by the Sensor Factory sensor. Sensor types using active flow timeout , this is, NetFlow and jFlow sensors , are not supported by the Sensor Factory sensor. In your browser, load the IP address or DNS name of the computer PRTG is installed on and log in using the Login button. If they do, this sensor will not work! Add Sensor. How to Use the New WMI Battery Sensor of PRTG. However it seems to not be the case. 4 Amazon CloudWatch EBS Sensor; 6. In the text field, paste the entire private key, including the "BEGIN" and "END" lines. The API documentation can be found in the PRTG web interface by going to Setup > PRTG API > Custom Sensors. It can show the following: Execution time of the monitoring request. Simplify your day with PRTG Monitor your entire IT infrastructure with PRTG Network Monitor. For the unrestricted sensor licenses the number of sensors is not limited by PRTG's licensing but by technical constraints like performance limitations of hardware, network and other software. 4 Install a PRTG Cluster; 4. The sensor monitors whether logins or shopping carts work properly. The Root group is the highest instance in the object hierarchy of your PRTG setup and parent to all other objects. We recommend to not use this sensor type on your. Is your PRTG installation already up to date? If not, that's a bummer, because in this case, you won't be able to enjoy the new WMI Battery sensor that we introduced with the 19. If you use content checks, we recommend using a dedicated IMAP account that is only checked by PRTG. It is not possible to immediately set a WMI sensor to a Down status, so the first option will not apply to these sensors. The Add Sensor dialog appears when adding a new sensor on a device manually. It shows the pagefile usage in percent. 5 Enter a License Key; 4. The WMI Service sensor uses this approach to: Check if a service is running,. It shows the loading time of single URLs and of the complete transaction. However, WMI connections may still work. During setup, all existing registry values will be moved to the new key. It shows the number of new records per second. For instance, sensor A and B might stop receiving data, but C-Z are fine. 6 Amazon CloudWatch ElastiCache Sensor; 6. Additionally, if you enable Monitor extended values in the sensor settings, it can show these parameters: CPU usage in percent; Pagefile usage in. This setting is shown for your information only and cannot be changed. Please check "WMI Delay" channel of core/probe health sensor. Requirement: Remote Registry Service. PRTG Version 16 (Does not work in PRTG Version 14). Using frequent auto-discoveries of large network segments can lead to performance issues. The WMI Microsoft SQL Server sensor monitors the performance of a Microsoft SQL server via Windows Management Instrumentation (WMI). PRTG considers all sensors affected by this setting during similarity analysis. 3 Install a PRTG Core Server; 4. The Add Sensor dialog appears when adding a new sensor on a device manually. This setting will remain, even if a network. If you're using custom sensors with PRTG 7, these may not work with PRTG 9 if they do not fully apply to the API definition 1221. 4 Install a PRTG Cluster; 4. You can use a program like WMI Explorer. The WMI Microsoft SQL Server sensor monitors the performance of a Microsoft SQL server via Windows Management Instrumentation (WMI). allsensors attributes. By default, PRTG shows this It is not possible to set a WMI sensor to "down. 5 Amazon CloudWatch EC2 Sensor; 6. This sensor can monitor SQL General Statistics, Access Methods, the Buffer Manager, the Memory Manager, the Locks Manager, and SQL Statistics. It only shows the setting. PRTG 8 Manual: WMI Vital System Data Sensor. Disabled: Do not activate similar sensors detection. 2 Active Directory Replication Errors Sensor; 6. Do not expect that all functions work properly, or that this sensor works as expected at all. PRTG Manual: Root Group Settings On the Root group's overview page, click the Settings tab to change settings. Without it, WMI sensors will not work. To monitor remote machines, PRTG WMI sensors need Active Directory account credentials to have access to the WMI interface. 6 Activate the Product; 3. Using frequent auto-discoveries of large network segments can lead to performance issues. This sensor can monitor SQL General Statistics, Access Methods, the Buffer Manager, the Memory Manager, the Locks Manager, and SQL Statistics. Update From Older PRTG Products For all other predecessor products, a direct data import into the current version is not possible. In February this year, our CEO Dirk Paessler shared some words on how to set up a cloud policy before entering the cloud with you. The Add Sensor dialog appears when adding a new sensor on a device manually. The WMI HDD Health sensor connects to the parent device via Windows Management Instrumentation (WMI) and monitors the health of IDE disk drives on the target system, using Self-Monitoring, Analysis and Reporting Technology (S. You cannot use password protected keys here. 2 Active Directory Replication Errors Sensor; 6. 4 Install a PRTG Cluster; 4. Connects to a PRTG Core Server through HTTP/HTTPS (using our own PRTG API) Displays the device tree, sensor list, alarms list, maps, reports etc. 8 Sensor Settings. This is useful if you use a lot of sensors and want to avoid high resource usage caused by processes running at the same time. The program must be running on the host computer, and can only be started when there is a user logged in (it will not run as a service). I have also tried the authentication to via https using a trusted certificate and still no luck. If the ping does not work, disable the firewall for your zone (domain, private or public), and then run the test again. Additionally, aggregated up/downtimes can be computed. Intermittently, our WMI sensors stop receiving new data in PRTG. The WMI Event Log sensor monitors a specific Windows logfile using Windows Management Instrumentation (WMI). By default, PRTG shows this name in It is not possible to set a WMI sensor to. This sensor can monitor SQL General Statistics, Access Methods, the Buffer Manager, the Memory Manager, the Locks Manager, and SQL Statistics. allsensors attributes. Add Sensor. There are sensors for Windows Server systems or sensors which monitors ESXi hosts. Operating states can be: Active (sensor status Up) Continue-Pending ; Pause-Pending ; Paused (all with sensor status Down). This setup assistant, represented by a member of the Paessler team, will guide you through the initial setup of your network monitoring system. It shows the retrieved value. 2 Update From Previous Versions; 4. The Add Sensor dialog appears when adding a new sensor on a device manually. What can I do? directed it at my target system with the same credentials configured in the PRTG sensor, and the WMI Tester successfully. 5 Enter a License Key; 4. PRTG Manual: Sensors. 8 Amazon CloudWatch RDS Sensor; 6. We are using WSUS, but the servers in house are working with that sensor without problems, updating the date/time correctly. A Redis Sensor for PRTG. Enter a meaningful name to identify the sensor. how to configure prtg sensors to linux ubuntu server 18. The WMI Windows Version sensor reads the Windows version of the parent device via Windows Management Instrumentation (WMI). If you choose the hybrid approach, these sensors will first try to query data via Windows Performance Counters using Remote Registry Service. Enable remote WMI requests. 6 Amazon CloudWatch EC2 Sensor; 6. This OID is mandatory by the SNMP RFC. 6 Activate the Product; 3. Windows Systems (WMI) Sensors Windows Management Instrumentation (WMI) is the base technology from Microsoft for monitoring and managing Windows-based systems. 5 Enter a License Key; 4. PRTG Manual: Enterprise Console The Enterprise Console (in old PRTG versions called "Windows GUI") is one alternative interface that you can use to connect to the PRTG core server to configure your setup, view monitoring results, and keep an eye on your network. Enter a meaningful name to identify the sensor. According to the minimal amount of prtg documentation available the setup of the sensors should be as easy as adding the sensor and saving. A Redis Sensor for PRTG. However, WMI connections may. In order for this sensor to work with Windows Performance Counters, please make sure the Remote Registry Windows service is running on the target computer. " not sure what this is though. But that's exactly what we get to do! We're thrilled to announce that a major update to PRTG's WMI sensors has improved CPU usage by 50-80% and massively reduced the number of open WMI requests. If anyone has used PRTG and has had dealing with the "VMware Host Performance (SOAP) Sensor" any advice would be appreciated. A RabbitMQ Sensor for PRTG. It might not work to query data Enter a meaningful name to identify the sensor. All other options can apply. Define if you want to retrieve and show System Information for your devices. 15 Working with Table Lists Enter a meaningful name to identify the sensor. PRTG Manual: WMI HDD Health Sensor PRTG Manual: WMI HDD Health Sensor The WMI HDD Health sensor connects to the parent device via Windows Management Instrumentation (WMI) and monitors the health of IDE disk drives on the target system, using Self-Monitoring, Analysis and Reporting Technology (S. This establishes a completely new WMI connection, which might help. In your browser, load the IP address or DNS name of the computer PRTG is installed on and log in using the Login button. txt (where XXXX is the sensor ID) in the sensor logs directory, such as: C:\ProgramData\Paessler\PRTG Network Monitor\Logs (Sensors). com PRTG Network Monitor - Software by Paessler PRTG Network Monitor is an uptime and bandwidth monitoring software that supports a broad variety of sensor types. For a general introduction to the technology behind WMI, please see Monitoring via WMI section. 6 Amazon CloudWatch ElastiCache Sensor; 6. It can show information about the queue, delivery time, latency, users, etc. You can pause monitoring for every object by selecting Pause from the context menu of a probe, a group, a device, or a sensor. I am able to add the sensor just fine but it never picks up the actual data. Monitoring Windows Update with PRTG. All About PRTG. alldevices and prtg. Disabled: Do not activate similar sensors detection. To monitor remote machines, PRTG WMI sensors need Active Directory account credentials to have access to the WMI interface. 9 Uninstall PRTG Products; 4 Understanding Basic Concepts. Add Sensor. Updating from PRTG 7 to Current PRTG Version. Consider distributing your WMI sensors across several probes! prtg sensor wmi. If you fail to do so, a connection via Performance Counters will not be possible. 1 Download PRTG; 4. To monitor remote machines, PRTG WMI sensors need Active Directory account credentials to have access to the WMI interface. Note: This sensor does not work with Windows 2000, as the respective WMI class does not exist on this operating system!. PRTG Network Monitor Software - Paessler AG. 2 Update From Previous Versions; 3. Please make sure the according public key is provided on the target machine. This is necessary because the probe service only runs with 32-bit support. datのリカバリ方法はこちらを参考にされて下さい。 Windows2008 ServerのIPv6アダプタの仕様は、KB960670を参照されて下さい。 IPv6を無効にするには、KB929852を参照されて下さい。 My Windows sensors do not work when using direct Performance Counter access. 12 Business Process Sensor; 6. This is built into most modern IDE hard disk drives. 5 Amazon CloudWatch EC2 Sensor; 6. It only shows the setting fields that are imperative for creating the device in PRTG. PRTG Manual: Install a PRTG Remote Probe Why are remote probes helpful for monitoring with PRTG? Because you can extend your monitoring. It shows the number of new records per second. The Root group is the highest instance in the object hierarchy of your PRTG setup and parent to all other objects. Your Windows Management Instrumentation Query Language (WQL) query code must be stored in a file on the system of the probe the sensor is. For a general introduction to the technology behind WMI, please see Monitoring via WMI section. For more information about notifications, please see our video tutorials PRTG Not ificat ions and Use Cases for PRTG Not ificat ions. 6 Activate the Product; 4. PRTG Manual: Root Group Settings On the Root group's overview page, click the Settings tab to change settings. The WMI Windows Version sensor reads the Windows version of the parent device via Windows Management Instrumentation (WMI). It shows the CPU usage in percent. 2 Update From Previous Versions; 3. This is the best option if you want to change. 25 (expected in May 2016). PRTG Manual: Auto-Discovery The PRTG auto-discovery is a great way to automatically create a sophisticated and concise set of sensors for your complete network. Due to a known bug in those systems, the sensor may not be able to detect available hard disk drives. 7 Amazon CloudWatch ELB Sensor; 6. All About PRTG. 2 Update From Previous Versions; 4. 5 Enter a License Key; 3. Enter a meaningful name to identify the sensor. It is not possible to immediately set a WMI sensor to a Down status, so the first option will not apply to these sensors. PRTG can only handle keys in OpenSSH format that are not encrypted. The sensor will then inherit these settings. This is necessary because the probe service only runs with 32-bit support. The gaps usually last anywhere from 5-35 minutes and do not affect all sensors at the same time. Is your PRTG installation already up to date? If not, that's a bummer, because in this case, you won't be able to enjoy the new WMI Battery sensor that we introduced with the 19. Additionally, if you enable Monitor extended values in the sensor settings, it can show these parameters: CPU usage in percent; Pagefile usage in. By default, PRTG It is not possible to set a WMI sensor to "down" immediately, so the first option will not apply. It's not often we get to announce a 10-fold performance increase. 7 Install a PRTG Remote Probe; 4. 16 Working with Table Lists; We will remove this sensor type from PRTG with version 16. 4 Amazon CloudWatch EBS Sensor; 6. The Windows Network Card sensor monitors bandwidth usage and traffic of a network interface using Windows Management Instrumentation (WMI) or Windows Performance Counters, as configured in the Windows Compatibility Options of the parent device. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. WMI allows access to data for many Windows configuration parameters, as well as current system status values. The short version might not work properly with this sensor. PRTG Manual: Auto-Discovery The PRTG auto-discovery is a great way to automatically create a sophisticated and concise set of sensors for your complete network. It shows the number of new records per second. Email Not ificat ions. I have added a WMI sensor to check memory usage. 6 Amazon CloudWatch ElastiCache Sensor; 6. You have full insight into your network and its performance, to ensure that all business critical components of your IT infrastructure are running smoothly. 2 Manage a PRTG in the Cloud Subscription; 4 Installing the Software. As you can see, the hardware sensors made available will vary from system to system. Contribute to cdemi/PRTG-Redis-Sensor development by creating an account on GitHub. 16 Working with Table Lists; We will remove this sensor type from PRTG with version 16. How to Use the New WMI Battery Sensor of PRTG. If you fail to do so, a connection via Performance Counters will not be possible. It shows the CPU usage in percent. I have used a stand alone wmitester tool to confirm the problem, so it is nothing to do with the monitoring software, it is WMI which is the problem. PRTG Manual: WMI HDD Health Sensor. Reports cannot show uptime or downtime data for this sensor type. Sensors using the WMI protocol generally. This device is not present, is not working properly, or does not have all its drivers installed. The API documentation can be found in the PRTG web interface by going to Setup > PRTG API > Custom Sensors. A Redis Sensor for PRTG. PRTG considers all sensors affected by this setting during similarity analysis. 1 Download PRTG; 4. Enter a meaningful name to identify the sensor. Enable remote WMI requests. The PRTG SLA Plugin offers an easy to configure interface. SNMP and WMI Packet Sniffing sensor can import current status and last request time of Pingdom checks into PRTG; see www. During setup, all existing registry values will be moved to the new key. 4 Install a PRTG Cluster; 4. To monitor remote machines, PRTG WMI sensors need Active Directory account credentials to have access to the WMI interface. The Root Group is Special. For best performance of hybrid sensors using Windows Performance Counters and Windows Management Instrumentation (WMI), we recommend Windows 2008 R2 or higher on the computer running the PRTG probe: This is either on the local system (on every node, if on a cluster probe), or on the system running a remote probe. A basic knowledge of batch scripting, WMI and SNMP will also be necessary. 1 Architecture and User Interfaces; 4. 2 Manage a PRTG in the Cloud Subscription; 4 Installing the Software. For more information about notifications, please see our video tutorials PRTG Not ificat ions and Use Cases for PRTG Not ificat ions. I have used a stand alone wmitester tool to confirm the problem, so it is nothing to do with the monitoring software, it is WMI which is the problem. PRTG Manual: Windows Network Card Sensor. PRTG Manual: Define Lookups PRTG uses lookups for some sensor types and for some sensors with custom channels. 3 Install a PRTG Core Server; 4.