See below for details on the Certificate Enrollment Gateway support for Microsoft Intune.

Intune versions supported by Certificate Enrollment Gateway

Certificate Enrollment Gateway supports the Microsoft Intune versions listed at:

https://docs.microsoft.com/en-us/mem/intune/fundamentals/supported-devices-browsers

Load balancer support for Intune enrollment with Certificate Enrollment Gateway

Intune enrollment with Certificate Enrollment Gateway supports high availability with the following load-balancing layers.