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Choose your IT administration's best upgrade path to BlackBerry® Enterprise Server version 5.0 based on the following upgrade criteria:
In Place
- Your business has only 1 BlackBerry Enterprise Server
- Your organization has less than 30 BlackBerry® smartphones deployed
- Your business can tolerate some downtime during the upgrade
- Your business does not have additional hardware available
Learn more about in-place upgrades
Phased
- Your business has 2 or more BlackBerry Enterprise Servers
- Your organization has 31-500 BlackBerry smartphones deployed
- Your business cannot tolerate any downtime during the upgrade
- Your business may want to consolidate their BlackBerry domains
- Your business does have additional hardware available
Learn more about phased upgrades
Cutover
- Your business has 2 or more BlackBerry Enterprise Servers
- Your organization has 500+ BlackBerry smartphones deployed
- Your business cannot tolerate any downtime during the upgrade
- Your business may want to consolidate their BlackBerry domains
- Your business does have additional hardware available
Learn more about cutover upgrades