That’s the old way 
An actual datasource program should run beside every other datasource program. The ESX special agent was the first special agent with also a normal agent on the same system.
You can try one thing - create two hosts one with special agent only and one with normal CMK agent.
Is the system time then also wrong?
If this is working i would try to create a host with the configuration for normal agent and all enabled datasource programs. The ESX datasource program should then be configured as vSphere without agent.