RE: Error 474 in Event Viewer

Hi Allen

Thank you for choosing Microsoft Online support.

What service pack level are you at for Exchange? Take a look at this
article.

867626 New error correcting code is included in Exchange Server 2003 SP1
http://support.microsoft.com/default.aspx?scid=kb;EN-US;867626

If you are already at Exchange Sp1 or above I would

Move the database to a different partition
Repair the database
Exmerge the database out
Create a blank database
Exmerge the database back in
Test the backup again.

James Frederickson - (MSFT)
jamesfre@xxxxxxxxxxxxxxxxxxxx
Microsoft Corporation



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| Thread-Topic: Error 474 in Event Viewer
| thread-index: AcdV0cQFG4DTLjI1T7Kq+8S/2iP3lA==
| X-WBNR-Posting-Host: 72.242.96.57
| From: =?Utf-8?B?QWxsZW4gV2Fkc3dvcnRo?=
<AllenWadsworth@xxxxxxxxxxxxxxxxxxxxxxxxx>
| Subject: Error 474 in Event Viewer
| Date: Wed, 21 Feb 2007 08:03:02 -0800
| Lines: 72
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| Path: TK2MSFTNGHUB02.phx.gbl
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|
| Everytime I run a Symantec Backup Exec it fails at the Information Store
with
| access denied. So I decided to try NTBackup and it fails everytime
trying to
| backup the Information Store by itself. This is the error message I get
in
| the log.
|
| Backup started on 2/19/2007 at 11:45 AM.
| The 'Microsoft Information Store' returned 'Error returned from an ESE
| function call (d).
|
| ' from a call to 'HrESEBackupRead()' additional data '-'The 'Microsoft
| Information Store' returned 'Error returned from an ESE function call (d).
|
| ' from a call to 'HrESEBackupRead()' additional data '-'
| The operation was ended.
| Backup completed on 2/19/2007 at 11:57 AM.
| Directories: 0
| Files: 1
| Bytes: 6,517,293,838
| Time: 11 minutes and 37 seconds
|
| ----------------------
|
| The operation did not successfully complete.
|
| Then I check the event viewer and I get these events:
| Event ID: 217 Information Store (5476) First Storage Group: Error
(-1018)
| during backup of a database (file C:\Program
| Files\Exchsrvr\mdbdata\priv1.edb). The database will be unable to
restore.
|
| Event ID: 474 Information Store (5476) First Storage Group: The database
| page read from the file "C:\Program Files\Exchsrvr\mdbdata\priv1.edb" at
| offset 6517301248 (0x0000000184762000) (database page 1591137 (0x184761))
for
| 4096 (0x00001000) bytes failed verification due to a page checksum
mismatch.
| The expected checksum was 2533448898375680 (0x0009002889a4f000) and the
| actual checksum was 6833885302727628 (0x00184761e9e7a3cc). 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.
|
| Exchange is running smoothly and all of my user's emails seem to be
coming
| in and going out. I just cannot backup the emails. Everything that I
have
| read says that I cannot just ignore this problem. My first question is.
| 1. Even if I run the eseutil.exe and repair my database. Am I really at
| the point where I need to start preparing for the worst? From what I
read
| about this problem I really need to restore a backup of the database to
| correct the problem. EseUtil.exe is the last option. I guess what I am
| trying to say is this the beginning of the end of my exchange server? I
am
| guessing that more problems are going to happen. I have my users running
on
| Cashed Exchange mode on their Outlook 2003 emails. I beleive this
protects
| there emails if the exchange server does not come back online because
Outlook
| 2003 copies the emails to the users hard drive as well as the Ex. server.

| (Please advise if I need to create .pst files just in case)
|
| Now it looks like the only option I have it to run the eseutil.exe
program
| because I don't have a good backup. I need a step by step instruction on
how
| to do this and the correct switchs to use if anyone can. I assume I will
| need to run the isinteg.exe also. (Please let me know how to determine
the
| size of the Exchange database so I can plan for down time.)
|
| 2. I also read that the problem might be a hardware failure or firmware
| problem. The firmware for the Raid controller is up to date. The Bios
to
| the server is not up to date. At one time I had to reboot the server and
a
| checkdisk started on drive c: when the server came back up. The C: drive
is
| made up of two 75GB mirrored hard drives. If there was a problem with
the
| hard drives the other would take over so that makes me think that the
problem
| is not hardware.
|
| Anyway if anyone can help that would be great. Sorry for the long post.
| Allen Wadsworth
|
|
|

<EMAILSUBJECT>Newsgroup Message Response to IssueID:
<ISSUEID></EMAILSUBJECT>
Hi <NAME>,

I wanted to inform you that I have replied to your thread in <NEWSGROUP>
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.

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