SBS 2011 - Exchange event 474

Hello,

We may have sustained an unexpected shut down on our SBS 2011 server.

We have received a single event log indicated below.  However, mail flow is normal and the Information Store is mounted.  All services are started normally.  There do not appear to be any issues.  

•Should I just monitor the server and see if the event returns?
•Alternately, should I plan on taking pro-active measures?  If so, what action should be taken?

Log Name:      Application
 Source:        ESE
 Date:          3/14/2016 10:53:46 AM
 Event ID:      474
 Task Category: Database Page Cache
 Level:         Error
 Keywords:      Classic
 User:          N/A
 Computer:      RGS-MAIN.rgs.local
 Description:
 Information Store (4964) Mailbox Database: The database page read from the file "D:\Program Files\Microsoft\Exchange Server\V14\Mailbox\Mailbox Database\Mailbox Database.edb" at offset 120023515136 (0x0000001bf1f58000) (database page 3662826 (0x37E3EA)) for 32768 (0x00008000) bytes failed verification due to a page checksum mismatch.  The expected checksum was [6db46db4e73f7f2d:3987c6783921931e:3e2ac1d5ba1a0587:15cbea3453ca9ebf] and the actual checksum was [93d96c26050262eb:3987c6783921931e:a017a017ba1a0583:69cb963453ca9ebf].  The read operation will fail with error -1018 (0xfffffc06).  If this condition persists then please restore the database from a previous backup.  This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem.

For more information, click http://www.microsoft.com/contentredirect.asp.
 Event Xml:
 <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
   <System>
     <Provider Name="ESE" />
     <EventID Qualifiers="0">474</EventID>
     <Level>2</Level>
     <Task>2</Task>
     <Keywords>0x80000000000000</Keywords>
     <TimeCreated SystemTime="2016-03-14T17:53:46.000000000Z" />
     <EventRecordID>1523934</EventRecordID>
     <Channel>Application</Channel>
     <Computer>RGS-MAIN.rgs.local</Computer>
     <Security />
   </System>
   <EventData>
     <Data>Information Store</Data>
     <Data>4964</Data>
     <Data>Mailbox Database: </Data>
     <Data>D:\Program Files\Microsoft\Exchange Server\V14\Mailbox\Mailbox Database\Mailbox Database.edb</Data>
     <Data>120023515136 (0x0000001bf1f58000)</Data>
     <Data>32768 (0x00008000)</Data>
     <Data>-1018 (0xfffffc06)</Data>
     <Data>[6db46db4e73f7f2d:3987c6783921931e:3e2ac1d5ba1a0587:15cbea3453ca9ebf]</Data>
     <Data>[93d96c26050262eb:3987c6783921931e:a017a017ba1a0583:69cb963453ca9ebf]</Data>
     <Data>3662826 (0x37E3EA)</Data>
   </EventData>
 </Event>

Thanks in advance.

Regards,
RealTimer
realtimerAsked:
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Simon Butler (Sembee)ConsultantCommented:
If it has happened just the once, then you might ok, it could just be an indication of an glitch in the transaction logs at the moment of the power failure.

However it can also be a sign of a hard disk or storage controller error. You should monitor the event log for further entries.

Simon.

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