The document provides links to Microsoft technical articles on topics related to planning and deploying Lync Server including capacity planning, server hardware requirements, virtualization, front-end server components, large pools, Office Web Apps capacity, persistent chat, upgrade notes, response groups, pool failover, and network bandwidth requirements. It includes tables on the minimum number of front-end servers required for pools of different sizes and maximum and minimum video bitrates for different video codecs and resolutions.

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Capacity Planning - http://technet.microsoft.com/en-us/library/gg615015.aspx

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Server Hardware Platform - http://technet.microsoft.com/en-us/library/gg398835.aspx

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Virtualization - http://technet.microsoft.com/en-us/library/gg399035.aspx

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Front-End Components - http://technet.microsoft.com/en-us/library/gg412996.aspx

6. Total number of Front End Servers in the Number of servers that must be running for
pool pool to be functional
1-2* 1*
3-4 2
5-6 3
7-8 4
9-10 5
11-12 6
Front-End Components - http://technet.microsoft.com/en-us/library/gg412996.aspx

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Large Pool - http://technet.microsoft.com/en-us/library/jj205074.aspx

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Server Hardware - http://technet.microsoft.com/en-us/library/gg615015.aspx

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OWAS Capacity Planning - http://download.microsoft.com/download/7/F/0/7F069D0B-
B6BD-4692-868B-E8555BB72445/OfficeWebAppsCapacityPlanningDoc.docx

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The PChat backend can be collocated on the SQL
• Express in case of Standard Edition. Adding our content
person to make sure the docs can updated.
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Kavita Kamani –
• Persistent Chat Product Manager, Microsoft
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Server Hardware - http://technet.microsoft.com/en-us/library/gg398835.aspx

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Upgrade Notes - http://technet.microsoft.com/en-us/library/gg398499.aspx

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Response Groups - http://blogs.technet.com/b/nexthop/archive/2012/09/04/lync-server-
2013-preview-recovering-response-groups-during-disaster-recovery.aspx

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Pool Failover - http://technet.microsoft.com/en-us/library/jj721939.aspx

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Pool Failover - http://technet.microsoft.com/en-us/library/jj721939.aspx

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Network Bandwidth - http://technet.microsoft.com/en-
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23. Maximum video payload Minimum video payload
Video codec Resolution and aspect ratio
bitrate (Kbps) bitrate (Kbps)
320x180 (16:9)
H.264 250 15
212x160 (4:3)
424x240 (16:9))
H.264/RTVideo 350 100
320x240 (4:3
480x270 (16:9)
H.264 450 200
424x320 (4:3)
640x360 (16:9)
H.264/RTVideo 800 300
640x480 (4:3)
H.264 848x480 (16:9) 1500 400
H.264 960x540 (16:9) 2000 500
H.264/RTVideo 1280x720 (16:9) 2500 700
H.264 1920x1080 (16:9) 4000 500
H.264/RTVideo 960x144 (20:3) 500 15
H.264 1280x192 (20:3) 1000 250
H.264 1920x288 (20:3) 2000 500
Network Bandwidth - http://technet.microsoft.com/en-
us/library/jj688118%28v=ocs.15%29.aspx

24. 250 Kbps (H.264) Per User X 5 Users = 1250 Kbps
1 101 Kbps (G722) for 1 Active Speaker = 101 Kbps
101 Kbps (G722) Per User X 5 Users = 505 Kbps
5 Users (250 Kbps X 5) = 1250 Kbps X 5 People = 6250 Kbps 5 Users
WAN
Network Bandwidth - http://technet.microsoft.com/en-
us/library/jj688118%28v=ocs.15%29.aspx

25. 101 Kbps (G722) for 1 Active Speaker = 101 Kbps
101 Kbps (G722) Per User X 5 Users = 505 Kbps
1 250 + 450 Kbps Per User X 5 Users = 3500 Kbps
(250 Kbps X 5) = 1250 Kbps X 3 People = 3750 Kbps
(450 Kbps X 5) = 2250 Kbps X 2 People = 4500 Kbps
5 Users 5 Users
WAN
Network Bandwidth - http://technet.microsoft.com/en-
us/library/jj688118%28v=ocs.15%29.aspx