Take a look at Netwrix Auditor, our configuration auditing solution. Its VMware auditing features include:
* Support of the following VMware platforms: VMware platforms: VI3 or later, vSphere, ESX, ESXi
* Configuration changes overview on a daily basis and automatic notifications when changes occur
The product has a free trial and freeware versions.
Darren Moore
Product Manager
Netwrix Corporation
#1 for Configuration Auditing