If the product key you purchased is for an Enterprise Edition license, it lets you mount more than five databases per server in addition to everything that's available with a Standard Edition license.
If you want to read more about Exchange licensing, see Exchange If you don't enter a product key, your server is automatically licensed as a trial edition. The trial edition functions just like an Exchange Standard Edition server and is helpful if you want to try out Exchange before you buy it, or to run tests in a lab.
The only difference is that you can only use an Exchange server licensed as a trial edition for up to days. If you want to keep using the server beyond days, you'll need to enter a product key or the Exchange admin center EAC will start to show reminders that you need to enter a product key to license the server.
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If you want to enter a product key on an Exchange server, go to Enter an Exchange product key. If you want to enter a product key on an Exchange server, you're in the right place! Read on. What do you need to know before you begin? Estimated time to complete this procedure: You need to be assigned permissions before you can perform this procedure or procedures.
To see what permissions you need, see the "Product key" entry in the Exchange and Shell infrastructure permissions topic. If you're licensing an Exchange server that's running the Mailbox server role, you'll need to restart the Microsoft Exchange Information Store service on the server after you enter the product key.
If you want to upgrade an Exchange server from a Standard Edition license to an Enterprise Edition license, follow the steps in this topic. If you want to downgrade an Exchange server from an Enterprise Edition license to a Standard Edition license, you need to reinstall Exchange.
For information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard shortcuts in the Exchange admin center. Tip Having problems? Ask for help in the Exchange forums. Visit the forums at Exchange Server. Select the server you want to license, and then click Edit. Optional If you want to upgrade the server from a Standard Edition license to an Enterprise Edition license, on the General page, select Change product key.
You'll only see this option if the server is already licensed. On the General page, enter your product key in the Enter a valid product key text boxes. Click Save. If you licensed an Exchange server running the Mailbox server role, do the following to restart the Microsoft Exchange Information Store service: Use the Shell to enter the product key This example uses the set-ExchangeServer cmdlet to enter the product key.
Note You can run this command again on the same server to upgrade it from a Standard Edition license to an Enterprise Edition license. How do you know this worked? Select the server you want to view, and then look in the server details pane. If the product key has been accepted, Licensed will appear along with the Exchange edition.
To use the Shell to verify that you've successfully licensed the server as Standard Edition or Enterprise Edition, do the following: Open the Shell. Run the following command to view the licensing status of a specific Exchange server.
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