Downgrading 5200 wireless controller from delivered code 10.11.03.004 to site code 09.21.11.0004
My cleints have attempted to down grade a 5200 unit to verion 09.21.11.004 from the supplied version of 10.11.03.0004 ( this is so it matches the current operational box ) The downgrade has failed with the following prompt: Error! Upgrade is not su...