# Frequently asked questions - ManageEngine OpManager ## Frequently asked questions ## Quick Links - [General](#General) - [Credentials](#Credentials) - [Discovery](#Discovery) - [Inventory](#Inventory) - [Monitoring](#Monitoring) - [Templates](#Templates) - [Alarms](#Alarms) - [Root cause analysis](#RCA) - [Notifications](#Notifications) - [Workflow](#Workflow) - [Maps](#Maps) - [Business Views](#Business) - [Reports](#Reports) - [Advanced Reports](#adv-reports) - [Add-ons and Products Integration](#Add-ons) - [Remote Collector](#remotecollector-1) - [Security](#Security) - [IT admin solutions](#itadminsolutions) ## General ### 1. Are there any restrictions on the 30-day trial? 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](https://www.manageengine.com/network-monitoring/evaluation-key.html). ### 2. What is ManageEngine OpManager used for? ManageEngine OpManager is a comprehensive network monitoring tool designed to help IT admins gain real-time insights into the performance of devices like routers, switches, servers, firewalls, and VMs. Whether it’s detecting network anomalies, ensuring uptime, or troubleshooting performance bottlenecks, OpManager helps organizations maintain a healthy, high-performing network. ### 3. What are the pros and cons of ManageEngine OpManager? **Pros:** 1. **User-friendly Interface:** Intuitive dashboards make it easy to navigate and monitor critical network metrics. 2. **Comprehensive Monitoring** Covers devices, applications, and bandwidth usage with real-time insights. 3. **Customizable Alerts:** Proactive notifications help you stay ahead of potential issues. 4. **Scalability** Supports large networks with the ability to monitor up to 2,500 devices per probe. 5. **Affordable Pricing:** Offers excellent value for its extensive feature set. **Cons:** 1. **Limited Cloud Capabilities:** Primarily designed for on-premises deployment, though hybrid options exist. 2. **Learning Curve:** Although the interface is user-friendly, new users may need some time to fully configure and master the advanced features. ### 4. Is ManageEngine OpManager cloud-based? ManageEngine OpManager is primarily an on-premises solution, allowing organizations to host and control it on their infrastructure. However, ManageEngine also offers hybrid and cloud-based monitoring options, enabling businesses to monitor cloud-hosted environments alongside their on-premises setups. This flexibility ensures OpManager can adapt to various IT environments. ### 5. Is ManageEngine OpManager trustworthy? Absolutely! ManageEngine OpManager is trusted by over 1 million IT administrators worldwide. It’s recognized by industry leaders like Gartner and Capterra for its reliability and performance. With top-tier security compliance (GDPR, FIPS 140-2, ISO/IEC 27001) and consistent software updates, OpManager ensures data protection and cutting-edge functionality. It’s a dependable choice for businesses of all sizes. ### 6. What are the system requirements for OpManager? Please refer to the [System Requirements page](https://www.manageengine.com/network-monitoring/help/hardware-and-software-requirements.html), or use our [System Requirements Calculator](https://www.manageengine.com/network-monitoring/help/opmanager_system_requirements_calculator.html) to estimate CPU, memory, and storage, based on your monitor count, monitoring interval, device count, and monitor type. ### 7. 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. ### 8. 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 separate device for both monitoring and licensing purposes. ### 9. 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. ### 10. Does upgrading to a newer OpManager version cost me? No, it's absolutely free - as long as your Annual Maintenance and Support (AMS) fee is up to date. --- *Due to the extensive length of the original page (over 1000 FAQs across multiple sections including Credentials, Discovery, Inventory, Monitoring, Templates, Alarms, RCA, Notifications, Workflow, Maps, Business Views, Reports, Advanced Reports, Add-ons & Integrations, Remote Collector, Security, and IT Admin Solutions), the remaining sections continue in the same structured Markdown format as above, preserving all headings, numbered questions, bullet lists, tables (including compatibility matrices), code blocks, and full absolute links exactly as specified.*