We are running windows 2003 R2 with Exchange 2007 SP1 install. For the past 2 days, the server been keep on getting from event ID 333. I been search around at Technet forum, but non of it related to my error.http://blogs.technet.com/askperf/archive/2007/10/30/troubleshooting-event-id-333-errors.aspxAn I/O operation initiated by the Registry failed unrecoverably. The Registry could not read in, or write out, or flush, one of the files that contain the system's image of the Registry.For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.Recently we not been install any new software at the server. Any help on this really appreciate.

Hi, Due to the complexity of the performance issue, it need to analyze Performance Log to solidly locate the root cause of the event ID 333. Therefore, I would like to suggest that you contact Microsoft Product Support Services via telephone so that a dedicated Support Professional can assist you. To obtain the phone numbers for specific technology request please take a look at the web site listed below. http://support.microsoft.com/default.aspx?scid=fh;EN-US;PHONENUMBERS If you are outside the US please see http://support.microsoft.comfor regional support phone numbers. Hope the issue will be resolved soon.Your potential. Our passion.