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BEMS
 hardware requirements for up to 150,000 devices

For up to 150,000 devices, install 
BEMS
 on its own server. This configuration requires multiple 
BEMS
 servers (not including high availablilty or disaster recovery scenarios). One dedicated instance of 
BEMS
 can support approximately 10,000 devices. To support more devices, add more instances of 
BEMS
You can download the 
BEMS
 Performance calculator 
 and use it to determine the minimum number of 
BEMS
 instances for your device configuration and workload.
The servers that 
BEMS
 is installed on must be physically located near the server that hosts the 
Microsoft SQL Server
 database (less than 5 ms latency).
If you install both 
BEMS
 with 
BlackBerry Push Notifications
 and 
BEMS
 with 
BlackBerry Connect
, install 
BlackBerry Presence
 on only one of those two servers.
BEMS
 servers
Requirement
BEMS
 with 
BlackBerry Push Notifications
 and optionally 
BlackBerry Presence
 (one for every 10,000 devices)
  • 6 processor cores, E5-2670 v2 (2.5 GHz), E5-2683 v4 (2.1 GHz), or equivalent
  • 8 GB of available memory
  • 250 GB of disk space 
BEMS
 with 
BlackBerry Connect
 and optionally 
BlackBerry Presence
  • 6 processor cores, E5-2670 v2 (2.5 GHz), E5-2683 v4 (2.1 GHz), or equivalent
  • 8 GB of available memory
  • 64 GB of disk space 
Database servers
Requirement
Microsoft SQL Server
 for 
BEMS
 with 
BlackBerry Push Notifications
  • 6 processor cores, E5-2670 v2 (2.5 GHz), E5-2683 v4 (2.1 GHz), or equivalent
  • 12 to 24 GB of available memory, depending on the size of EWS SyncState, up to 60 KB
  • 64 GB of disk space 
Microsoft SQL Server
 for 
BEMS
 with 
BlackBerry Connect
  • 6 processor cores, E5-2670 v2 (2.5 GHz), E5-2683 v4 (2.1 GHz), or equivalent
  • 8 GB of available memory
  • 64 GB of disk space