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OpManager is intended for business/ educational/ public sector network environments. If you are a home user, download the free version (monitors 10 devices, single user).

Read and accept the License Agreement before downloading this software.
OpManager Version 8.7
Download OpManager for Windows
Other Downloads:
OpManager Plug-ins:
Have trouble during installation or setup? Please refer to OpManager Troubleshooting guide.
Service Packs Distributed Edition Free Edition Are you a Managed Service Provider?

OpManager is available in English, Spanish, Chinese Simplified, Chinese Traditional, Japanese, French, German, and Italian languages.

FAQs
Plus Are there any restrictions on the 30-day trial?
No, the trial edition comes with all functionalities and can monitor up-to 500 devices. If you need to monitor more number of devices, please request a license.
Plus What are the system requirements for OpManager?
Please refer to the System Requirements page.
Plus Am I eligible for technical support during evaluation?
Yes absolutely. Install a 30-day trial version and register yourself during installation to avail free technical support during evaluation period.
Plus How is OpManager licensed?
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 seperate device for both monitoring and licensing purposes.
Plus I don't need the Deluxe Edition, can I choose the Failover over my Professional/ Essential Edition?
Yes, you can get the Failover add–on for Professional/ Essential Edition. Infact Essential and Deluxe editions are economical editions that have various add–ons and plug–ins bundled. You can topup OpManager Professional or Essential Edition with the desired add–ons/ plug-ins. For the detailed list of OpManager Add–ons and Plug–ins Click here.
Plus Do I need to rebuild OpManager from scratch after purchasing?
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.
Plus Does upgrading to a newer OpManager version cost me?
No, it is absolutely free. All you need to do is, ensure you have paid the Annual Maintenance and Support fee.
Plus Can I buy a single 250 devices OpManager license and monitor in two different locations?
No. The license is restricted to a single installation of OpManager and not a consolidated license for the enterprise. In such a case you will have to buy separate license for each locations.
Plus How does OpManager monitor the devices?
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.
Plus Which vendors are supported by OpManager?
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.
Plus How many devices I can monitor with OpManager?
Though OpManager is licensed based on number of device scalability has to be measured interms of Interfaces.

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 Distributed 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).
Plus Does OpManager integrate with 3rd party tools?
No, but OpManager integrates with ManageEngine products viz. ServiceDesk Plus, Firewall Analyzer, Applications Manager, NetFlow Analyzer and Device Expert. See more on OpManager Integration.
Plus Can I Install OpManager on Linux? Is there any limitation?
Yes, you can install OpManager on any Linux server viz. RedHat 7.x and above, Debian 3.0, Suse, Fedora, Mandrake. However NetFlow and NCM plug–ins supports only Windows OS and doesn’t support Linux.

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

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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ManageEngine OpManager - Network Monitoring Software: Powerful network management made easy and affordable.
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