When trying to update the license key for this service node, the following error message displays:
The version of your installed software is 11.5 for Windows, but the current license version is 10.0-* for Unix/Linux. Upgrades from 10.0-* for Unix/Linux to 11.5 for Windows are not available for this license.
The behavior is caused by software issue PPA-2345. The fix is included in MU #12.
Update PA to the latest version: