In an Enterprise Edition: Expanded Configuration, one or more Front-End servers
host the IM Conferencing. There are separate, dedicated servers that host other Lync/Skype
for
Business services such as the Office Web Apps Server and the Persistent Chat Server.
The Back-End
database is hosted on its own endpoint. If you are using the Enterprise Edition: Expanded
Configuration, install IM Security on
each of the Front-End servers that are hosting IM Conferencing.
Global Enterprise Deployment Scenarios
If your environment has more than 125,000 users distributed globally, deploy multiple
IM Security protected Front-End servers to
multiple locations. Install additional services on separate, dedicated computers.
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NoteIn these scenarios, you should only install IM Security on the Enterprise Edition
(Front-End) servers.
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