I have a particular VMWare ESX 4.1 host that has a very persistent "Host memory status" alarm.
This is running on an HP ProLiant DL360 G7 server. The HP ILO and System Management agents don't know any errors. If I clear the alarm in the vSphere client, it returns within a day. I've tried reseating DIMMs, however, the error does not indicate a problem with a specific module.
There's another host in the cluster with an identical configuration. It's not exhibiting any issues.