Payment & Shipping Terms:
|MANUFACTURER:||Microsoft Corporation||BRAND NAME:||Microsoft|
|PRODUCT TYPE:||Software Licensing||SOFTWARE NAME:||Exchange Server 2016 Enterprise CAL|
|PLATFORM SUPPORTED:||PC||LICENSE QUANTITY:||1 Device CAL|
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Microsoft Exchange 2016 Enterprise Device CAL - Open License
Microsoft Exchange Server 2016 is available in two server editions: Standard Edition and Enterprise Edition. Enterprise Edition can scale to 100 mounted databases per server; Standard Edition is limited to 5 mounted databases per server. A mounted database is a database that is in use. A mounted database can be an active mailbox database that is mounted for use by clients, or a passive mailbox database that is mounted in recovery for log replication and replay. While you can create more databases than the limits described above, you can only mount the maximum number specified above. The recovery database does not count towards this limit.
These licensing editions are defined by a product key. When you enter a valid license product key, the supported edition for the server is established. Product keys can be used for the same edition key swaps and upgrades only; they can't be used for downgrades. You can use a valid product key to move from the evaluation version (Trial Edition) of Exchange 2016 to either Standard Edition or Enterprise Edition. You can also use a valid product key to move from Standard Edition to Enterprise Edition.
No loss of functionality will occur when the Trial Edition expires, so you can maintain lab, demo, training, and other non-production environments beyond 120 days without having to reinstall the Trial Edition of Exchange 2016.
As mentioned earlier, you can't use product keys to downgrade from Enterprise Edition to Standard Edition, nor can you use them to revert to the Trial Edition. These types of downgrades can only be done by uninstalling Exchange 2016, reinstalling Exchange 2016, and entering the correct product key.
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