Enter your Exchange 2016 product key

Summary: Learn ways to enter your Exchange 2016 product key. If you're looking for product key information about Office, we've also provided links to get you to the correct articles for that.

A product key tells Exchange Server 2016 that you've purchased a Standard or Enterprise Edition license. 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 2016 editions and versions.

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 180 days. If you want to keep using the server beyond 180 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.

Note: If you want to install or activate Office, check out:

If you want to enter a product key on an older version of Exchange, check out:

If you want to enter a product key on an Exchange 2016 server, you're in the right place! Read on.

What do you need to know before you begin?

  • Estimated time to complete this procedure: less than 5 minutes.

  • To open the EAC, see Exchange admin center in Exchange 2016. To open the Exchange Management Shell, see Open the Exchange Management Shell.

  • 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 infrastructure and PowerShell 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, Exchange Online, or Exchange Online Protection.

Use the EAC to enter the product key

  1. Open the EAC by browsing to https://< Client Access server name>/ecp.

  2. Enter your user name and password in Domain\user name and Password, and then click Sign in.

  3. Go to Servers > Servers. Select the server you want to license, and then click Edit Edit icon.

  4. (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.

  5. On the General page, enter your product key in the Enter a valid product key text boxes.

  6. Click Save.

  7. If you licensed an Exchange server running the Mailbox server role, do the following to restart the Microsoft Exchange Information Store service:

  8. Open Control Panel, go to Administrative Tools, and then open Services.

  9. Right-click on Microsoft Exchange Information Store and click Restart.

Use the Exchange Management Shell to enter the product key

This example uses the Set-ExchangeServer cmdlet to enter the product key.

Set-ExchangeServer ExServer01 -ProductKey XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Note: You can run this command again on the same server to upgrade it from a Standard Edition license to an Enterprise Edition license.

For detailed syntax and parameter information, see Set-ExchangeServer.

If you licensed an Exchange server running the Mailbox server role, do the following to restart the Microsoft Exchange Information Store service:

  1. Open Control Panel, go to Administrative Tools, and then open Services.

  2. Right-click Microsoft Exchange Information Store and click Restart.

How do you know this worked?

To use the EAC to verify that you've successfully licensed the server as Standard Edition or Enterprise Edition, do the following:

  1. Enter your user name and password in Domain\user name and Password, and then click Sign in.

  2. Go to Servers > Servers.

  3. 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 2016 edition.

To use the Exchange Management Shell to verify that you've successfully licensed the server as Standard Edition or Enterprise Edition, do the following:

  1. Open the Exchange Management Shell.

  2. Run the following command to view the licensing status of a specific Exchange server.

    Get-ExchangeServer ExServer01 | Format-Table Edition,*Trial*
    
  3. (Optional) Run the following command to view the licensing status of all Exchange servers in your organization.

    Get-ExchangeServer | Format-Table Name, Edition, *Trial* -Auto