I am planning a deployment on Lync 2010 and have questions. We have a corporate office that houses ALL servers, and roughly 100 employees. We also have 2 other offices connected to the Corporate office via MPLS (each remote office has a 20MG metro and the Corporate office has a 40MG metro). The remote servers DO NOT have any servers locally, and currently connect back to corporate for everything (including internet access). The remote locations have roughly 20 employees each.
When creating my topology running the planning tool & topology builder, do I create a central site AND branch sites? I do not want to install a Survivable branch appliance or server at they remote locations.
The features we want to use mainly are Chat, Presence, Video Conferencing, External User Access, and External services like Yahoo, MSN, etc. We do not want to connect our existing PBX to the Lync system, at all. What roles can I, and must I exclude since we will not be utilizing the PBX (Phones) at all?
If I do NOT install an Archiving Server will the users still be able to see any chat history and if so how much? I am assuming the Archive Server holds ALL conversations forever (or a predetermined amount of time).
Sorry for all the questions, but I am deploying in a week and have a lot of planning to do prior!! THANK YOU!!