Frequently asked questions

GeneralTechnical
  1. Are there any restrictions on the 30-day trial?
  2. What are the system requirements for OpManager?
  3. Am I eligible for technical support during evaluation?
  4. How is OpManager licensed?
  5. Do I need to rebuild OpManager from scratch after purchasing?
  6. Does upgrading to a newer OpManager version cost me?
  7. If I buy more devices or add-ons or plug-ins in future, how does it work?
  8. Can I buy a single 250 devices OpManager license and monitor in two different locations?
  9. How does OpManager monitor the devices?
  10. Which vendors are supported by OpManager?
  11. How many devices can I monitor with OpManager?
  12. Does OpManager integrate with 3rd party tools?
  13. Can I Install OpManager on Linux? Is there any limitation?
  14. Is OpManager using 'Apache Struts' framework?
  15. What’s the difference between OpManager standalone version and enterprise edition?
  16. Can the enterprise edition manage distributed networks?
  17. What are the system requirements to install Enterprise Edition?
  18. I’m an existing user of OpManager standalone version, can I switch to Enterprise Edition for better scalability?
  19. How the Enterprise Edition is licensed?
  20. Is it possible to run the Central and Probe on the same machine?
  21. Is the data communication between the Central and Probe secured?
  22. Does the Enterprise Edition run on MSSQL?
  23. My Central Server runs on a server in which two ports (port1-main, port2- for failover)work off of different ISPs. Is it possible set up the Central server to fail-over from port1 to the other?
  24. I'm a service provider and have more than 100 remote sites to monitor. Each site has approximately 10 devices to monitor. Will OpManager Enterprise Edition (EE) suit me?

Q. Are there any restrictions on the 30-day trial?

A. No, the trial edition comes with all functionalities and you can monitor unlimited number of devices. If you need to extend your evaluation beyond 30 days, please request a license.

Q. What are the system requirements for OpManager?

A. Please refer to the System Requirements page.

Q. Am I eligible for technical support during evaluation?

A. Yes absolutely. Install a 30-day trial version and register yourself during installation to avail free technical support during evaluation period.

Q. How is OpManager licensed?

A. OpManager is licensed based on the number of monitored devices. Any device that responds to an ICMP ping can be monitored using OpManager e.g. Routers, Switches, Firewalls, Servers, UPS, printers. In a virtualized environment, every virtual instance is considered as a separate device for both monitoring and licensing purposes. 

Q. Do I need to rebuild OpManager from scratch after purchasing?

A. No, all ManageEngine products are licensed through a registered XML file. One can simply apply the license and use the same OpManager instance in production environments. One can even move the data to a different server if needed.

Q. Does upgrading to a newer OpManager version cost me?

A. No, it is absolutely free. All you need to do is, ensure you have paid the Annual Maintenance and Support fee. 

Q. If I buy more devices or add-ons or plug-ins in future, how does it work?

A. Absolutely, you can upgrade OpManager at any point of time. For instance, if you wish to upgrade OpManager 250 devices to 500 devices pack, you have to pay only the difference between these price slabs. Similarly for add-ons and plugins, you have to pay only the cost pertaining to it as per the current pricing.

The newly obtained license file has to be applied on your existing OpManager installation to enable the purchased devices pack or modules. It is not necessary to start things from scratch.

Q. Can I buy a single 250 devices OpManager license and monitor in two different locations?

A. No. The license is restricted to a single installation of OpManager and not a consolidated license for the enterprise. In such a case you have to buy OpManager Enterprise Edition for remote network monitoring or separate license for each locations. 

Q. How does OpManager monitor the devices?

A. OpManager is an agent-less monitoring and management tool that uses a wide variety of protocols and technologies: ICMP, SNMP, WMI, CLI (Telnet/ SSH), TFTP, SCP. OpManager also includes a Syslog demon, SNMP Trap listener and Flow collectors for NetFlow, sFlow etc.. All these and more bring together many network performance monitoring and management capabilities within OpManager.

Q. Which vendors are supported by OpManager?

A. OpManager supports out-of-the-box over 100 vendors. To list a few: 3Com, Cisco, DELL, HP, D-Link, Extreme, Fortigate, Foundry, Juniper, Netgear, Netscreen, Nortel, Linux, Solaris, HP-UX, IBM-AIX, Microsoft Windows, APC, Libert. 

Q. How many devices can I monitor with OpManager?

A. The OpManager polling engine can monitor upto 10,000 Interfaces. However this depends on the system hardware, polling frequency and type of devices. The OpManager Enterprise Edition can monitor upto 50,000 interfaces. To know the exact number of interfaces monitored by your OpManager installation, refer to the "About" page in the product (top right-hand side).

Q. Does OpManager integrate with 3rd party tools?

A. Yes through API. More about REST API at http://api.opmanager.com. Further OpManager integrates with ManageEngine products viz. ServiceDesk Plus, Firewall Analyzer, Applications Manager, NetFlow Analyzer and Device Expert. See more on OpManager Integration

Q. Can I Install OpManager on Linux? Is there any limitation?

A. Yes, you can install OpManager on any Linux server viz. RedHat 7.x and above, Debian 3.0, Suse, Fedora, Mandrake. However NCM plug–in supports only Windows OS and doesn’t support Linux.

Note: Installing OpManager on a Linux server will disable all WMI based monitors.

Q. Is OpManager using 'Apache Struts' framework?

A. Apache Struts was used in OpManager till version 11600. Latest version of OpManager doesn't use 'Apache Struts'.

Note:

The following CVE id's are not applicable to OpManager:

  • CVE-2013-2251
  • CVE-2017-5638
  • CVE-2018-11776

Q. What’s the difference between OpManager standalone version and enterprise edition?

A. There’s no difference in the functionality. OpManager Enterprise Edition is designed to scale the network monitoring and management needs of large enterprises managing more than 500 servers or 5000 interfaces. The Enterprise Edition lets you deploy Probes for scalability on the LAN or in the remote locations to manage distributed networks.

Q. Can the enterprise edition manage distributed networks?

A. Yes. Its Central-Probe architecture helps you manage distributed networks from a central location.

Q. What are the system requirements to install Enterprise Edition?

A. Refer the detailed system requirements specified here.

Q. I’m an existing user of OpManager standalone version, can I switch to Enterprise Edition for better scalability?

A. Yes, if you are managing more than 500 servers or 5000 interfaces, the Enterprise Edition is the best fit for you. Please sign-up using this form. Our support engineers will call and assist you.

Q. How the Enterprise Edition is licensed?

A. OpManager is licensed based on the number of monitored devices. Any device that responds to an ICMP ping can be monitored using OpManager e.g. Routers, Switches, Firewalls, Servers, UPS, printers. In a virtualized environment, every virtual instance is considered as a separate device for both monitoring and licensing purposes.

Q. Is it possible to run the Central and Probe on the same machine?

A. Yes, it is possible provided you meet the system requirements of both the Central and Probe.

Q. Is the data communication between the Central and Probe secured?

A. Yes it is secured. The Central and Probe communicate xml over HTTPS/HTTP connection.

Q. Does the Enterprise Edition run on MSSQL?

A. Yes, the Enterprise Edition runs on MSSQL. However it also includes PostgreSQL bundled.

Q. My Central Server runs on a server in which two ports (port1-main, port2- for failover)work off of different ISPs. Is it possible set up the Central server to fail-over from port1 to the other?

A. Ideally, OpManager will bind to both the IPs and can be accessed via both the addresses. In the Enterprise Edition deployment, you would have specified the Central Server address in the Probe. If both the IPs resolve to the address you have configured, there should not be any problem. If you have configured one of the IP addresses as the Central Server address, then you must take care to see that it automatically resolves/redirects to the other port that is available to effect the fail-over.

Q. I'm a service provider and have more than 100 remote sites to monitor. Each site has approximately 10 devices to monitor. Will OpManager Enterprise Edition (EE) suit me?

A. Yes, OpManager EE is built for scaling to the monitoring needs of emerging and large organizations.

I still have some questions which needs clarification!

If you have any questions about OpManager, feel free to raise a support request and we’ll get back to you.

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