You can update settings for an 8-digit or 12-digit numeric enrollment code, such as the total number of devices to be enrolled and the expiry time limit for the enrollment code.
Procedure
On the Device Enrollment Services web portal, navigate to Company Accounts > Site Management > By EC.
Select a site from the list.
Click Update.
Update the settings as required.
In the Number of Enrolled Devices field, you can see the number of devices enrolled with the current enrollment code.