Are you using the latest version of each client? Both added Sierra compatibility in their October releases. On Nov 11, 2016, at 10:10 AM, duynslag <[log in to unmask]<mailto:[log in to unmask]>> wrote: Hey has anybody seen this when you try to reinstall the latest version of the SEP on a MAC after a user reported that a previous version of the SEP and Juniper Pulse Secure Client was messed up by a Sierra Upgrade? Is there a removal tool for MAC too? Or is that just a manual procedure of deleing the programs and the .ps files? Thanks, Lee DUynslager <image001.png>