Microsoft Intune Endpoint Protection is displayed as "Installed" while the Endpoint Protection engine and malware definitions are displayed as "0.0.0.0"

Symptoms

Consider the following scenarios:

An administrator configures the Microsoft Intune policy so that the policy does not install the Microsoft Intune Endpoint Protection Client.
The administrator does not set the Microsoft Intune policy.

In these scenarios, the Microsoft Intune administrator console may display the following information:

On the Microsoft Intune System Overview page:

System Status Endpoint Protection: No issues
On a Groups Overview page:

Endpoint Protection Status: No issues
On the Computer Properties General page:

Endpoint Protection engine: 0.0.0.0
Malware definitions: 0.0.0.0
Last successful full scan: No information available
Last successful quick scan: No information available
On the Computer Properties Updates tab:

Microsoft Intune Endpoint Protection is displayed as Installed