I have a VMWare virtual machine, a Windows 2003 server with Microsoft Exchange 2007.
The VMware host is an VMware Esxi 5.5 .
The server is very slow (and even for the Outlook clients).
And since the slowness began, i've noticed this error (the frequency is variable, several tens per day):
Event ID 9 Source atapi
Event ID 9
Description The device, \Ide\IdePort0, did not respond within the timeout period.
(in reality the message is in french: "Le périphérique \Device\Ide\IdePort0 n'a pas répondu dans le délai imparti. ")
I don't know if the message is the cause or the consequence (may be no Relationship with the error?)
There are other event items (like Exchange events), but they seems to be consequence of the slowness.