To troubleshoot a vSphere cluster showing Noncompliant on the Profile Compliance tab, check the following:
FT logging NIC speed is at least 1000 Mbps
At least one shared datastore exists
FT logging is enabled
VMotion NIC speed is at least 1000 Mbps
All the hosts in the cluster have the same build for Fault Tolerance
The host hardware supports Fault Tolerance
VMotion is enabled
Read more at: http://kb.vmware.com/kb/1017471
This is informative, but what if you want to enable HA but not fault tolerance? Now is shows a big red circle for compliance.. hmmm that doesn’t see right. why not have an additional check for FT?
You can disable FT compliance check:
http://kb.vmware.com/kb/1017714