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Nagios Fusion Administrator GuideNagios Fusion Enabling Relative URLsNagios Fusion License EntitlementsNagios Fusion How To Configure SSLNagios Fusion User GuideManaging Fused ServersNagios Fusion Adding a LicenseNagios Fusion Architectural OverviewNagios Fusion Backing Up And Restoring Nagios FusionNagios Fusion Changing Default PasswordsNagios Fusion HelpNagios Fusion HomepageNagios Fusion Logging InNagios Fusion Managing Fusion UsersNagios Fusion Managing System ExtensionsNagios Fusion Performance TuningNagios Fusion Resetting A User Account PasswordNagios Fusion Resetting The nagiosadmin PasswordNagios Fusion Understanding And Using DashboardsNagios Fusion Understanding And Using ViewsNagios Fusion Understanding Email SendingNagios Fusion Upgrade InstructionsNagios Fusion Using A Proxy ServerNagios Fusion Changing Your PreferencesNagios Fusion Configuring Global SettingsNagios Fusion Configuring Mail SettingsNagios Fusion Conversion for VirtualBoxNagios Fusion Data Polling And AuthenticationNagios Fusion Managing Fused Servers

Nagios Fusion Upgrade Instructions

This section of the Nagios Fusion Admin Guide provides resources to help you upgrade an existing Nagios Fusion installation with the latest updates and patches.

Important: Migrating to Fusion 2026R2 from Older Versions

If you are currently using Fusion 2026R1 or earlier, there is not an inline upgrade option to 2026R2 due to sweeping changes across the application. However, there is a migration option which can be used to transfer much of your user and fused server data to a new Fusion 2026R2 install:

Final Thoughts

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http://support.nagios.com/forum/

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