Licenses for the IMWM are issued for 12 months at a time and are checked daily.

The IMWM Server sends a unique string to the FTP Solutions Licensing server for validation, if the license is invalid, most likely due to expiry, a warning will be visible on the IMWM pages to inform users that the license is expiring if it is less than 28 days to expiry, if the license expires the IMWM will cease operation until a license is renewed.

The other reason to check the license frequently, generally once per day, is to pick up on any additional functionality that may have been purchased. If the IMWM sees a change the license held on the FTP Licensing Server then all added functionality will become available to the users.