Request a fresh R2LIC from support. Never edit .r2lic files. Error 2: “License does not match this version” Cause: You are trying to use an R2LIC from Rainlendar v2 with the newer Rainlendar v3 Lite (or vice versa). R2LIC files are generally forward-compatible, but not backward.
Run Rainlendar as Administrator once (Windows) or repair permissions on ~/.config . Error 5: “Expired license” for a perpetual license Cause: By mistake, you purchased a subscription-based license (rare; only for business cloud features). rainlendar license r2lic
Update Rainlendar to the latest version (v3.22.2 as of 2025). If you have an old license, contact support for a free upgrade. Error 3: “License count exceeded” Cause: Your Personal license allows 5 simultaneous activations. You’ve installed on more than 5 machines. Request a fresh R2LIC from support
However, many users who purchase Rainlendar Pro encounter a specific term during installation or activation: . If you’ve ever seen a .r2lic file extension or received an email with an “R2LIC code,” you might have wondered: What is this, and how do I use it? Update Rainlendar to the latest version (v3