Symptoms

During the installation of Acronis Cyber Protect Cloud on MacOS Sierra 10.12.1 the following warning appears:

Incompatible operating system
Agent for Mac may be incompatible with the current operating system. Agent for Mac is fully compatible with OS X 10.8 through 10.11.

Solution

You can ignore the warning, click OK to continue installation. The warning will be removed in the next update.

Note: This is applicable to machines with HFS+ file system, APFS is not currently supported.