Basic Steps to Install Lotus Notes 8.5.1 (or later) Multi-User on Citrix XenApp
Thetechnote 1447614 outlines the steps to install Multi-user 8.5.1 or later releases, on Citrix XenApp with a customized data directory for new and existing Notes Installs. These instructions do not include steps to store the data directory on a remote file share, because this configuration is not supported.