Summary
Know what to do when you encounter the following error message after clicking the link/URL in your invitation email:
Unknown Device
Device enrollment does not currently support desktop computers (Windows PC or Mac).
If this device is a mobile device, please select the appropriate device type to continue enrollment.
Device enrollment does not currently support desktop computers (Windows PC or Mac).
If this device is a mobile device, please select the appropriate device type to continue enrollment.
- Android
- iOS

Details
The error happens because Hosted Mobile Security is unable to determine the operating system of the device from where the enrollment URL or link was opened.
To resolve this issue, you must open the enrollment URL from a supported device.
Refer to this list of supported device operating systems.