It supports up to 100 total host and service checks .
This edition is self-supported through community forums rather than direct ticket support.
After installing Nagios XI, navigate to Admin > License Information . You can change the license type to "Free Edition" directly in the web interface without needing an external key. 2. The 30-Day Unlimited Free Trial nagios xi license key free
While intended for personal/non-commercial use, some sources indicate it can be used in small commercial settings.
This license is free forever and does not expire. It supports up to 100 total host and service checks
Finding a is a common goal for sysadmins managing small environments or testing the platform before a full rollout . While Nagios XI is a commercial product, Nagios Enterprises provides several legitimate paths to use the software at no cost, ranging from a restricted "Free Edition" to a full-featured unlimited trial. 1. The Nagios XI Free Edition (7-Node Limit)
The most direct way to get a free Nagios XI license is by using the . This version is intended for small environments, personal projects, or training. Node Limit: You can monitor up to 7 hosts (nodes) . You can change the license type to "Free
If you need to test Nagios XI at scale, the Nagios XI Free Trial offers a temporary license key with no node restrictions. Nagios FAQ | Nagios Open Source