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Enterprise Software Thread, Exchange 2010, Windows Server Backup (bare metal) restore? in Technical; Hi Nice start to Monday. Suspect hardware failure on my Exchange 2010 Server Box running on Windows 2008 (non R2) ...
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    Exchange 2010, Windows Server Backup (bare metal) restore?

    Hi

    Nice start to Monday. Suspect hardware failure on my Exchange 2010 Server Box running on Windows 2008 (non R2)

    I have done a full bare metal backup last Friday.

    Question is if the original Server has failed beyond repair (suspect water damage from roof leak last week) then can I:

    Recover the Bare Metal backup from Friday onto a newer server (it is a different hardware spec though, the original one was an Intel Server and this one is a HP DL360 G7)

    or

    Provision a VM and mount the Bare Metal VHD and see if it boots after these adjustments:

    IT Team - Booting a Windows Server Backup VHD in Hyper-V


    Your good advice will be much appreciated :-)

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    OK, managed to reboot the original Exchange 2010 server and the Databases won't mount.
    Ran a ESEUTIL /MH and has a dirty shutdown...(detail below)

    I think I have 2 choices...run eseutil /p on both the private and public DB

    Or restore using windows server bare metal backup from last Friday and roll forward the logs

    What would be the better bet?

    Version 14.01
    Copyright (C) Microsoft Corporation. All Rights Reserved.

    Initiating FILE DUMP mode...
    Database: D:\Data\Private\Mailbox Database 1267047735\Mailbox Database
    1267047735.edb


    DATABASE HEADER:
    Checksum Information:
    Expected Checksum: 0x02f5572f
    Actual Checksum: 0x02f5572f

    Fields:
    File Type: Database
    Checksum: 0x2f5572f
    Format ulMagic: 0x89abcdef
    Engine ulMagic: 0x89abcdef
    Format ulVersion: 0x620,17
    Engine ulVersion: 0x620,17
    Created ulVersion: 0x620,17
    DB Signature: Create time:11/16/2011 15:37:41 Rand:2021218 Computer:
    cbDbPage: 32768
    dbtime: 82320182 (0x4e81b36)
    State: Dirty Shutdown
    Log Required: 624802-624803 (0x988a2-0x988a3)
    Log Committed: 0-624804 (0x0-0x988a4)
    Log Recovering: 0 (0x0)
    GenMax Creation: 11/03/2013 20:12:46
    Shadowed: Yes
    Last Objid: 41551
    Scrub Dbtime: 0 (0x0)
    Scrub Date: 00/00/1900 00:00:00
    Repair Count: 0
    Repair Date: 00/00/1900 00:00:00
    Old Repair Count: 0
    Last Consistent: (0x1CDE3,8,1F) 02/16/2012 14:16:44
    Last Attach: (0x1CDE4,9,86) 02/16/2012 14:16:45
    Last Detach: (0x0,0,0) 00/00/1900 00:00:00
    Dbid: 1
    Log Signature: Create time:11/16/2011 15:37:41 Rand:2003273 Computer:
    OS Version: (6.0.6002 SP 2 NLS ffffffff.ffffffff)

    Previous Full Backup:
    Log Gen: 623995-624015 (0x9857b-0x9858f) - OSSnapshot
    Mark: (0x98590,8,16)
    Mark: 11/01/2013 21:07:34

    Previous Incremental Backup:
    Log Gen: 0-0 (0x0-0x0)
    Mark: (0x0,0,0)
    Mark: 00/00/1900 00:00:00

    Previous Copy Backup:
    Log Gen: 553045-553065 (0x87055-0x87069) - OSSnapshot
    Mark: (0x8706A,8,16)
    Mark: 09/05/2013 21:56:05

    Previous Differential Backup:
    Log Gen: 0-0 (0x0-0x0)
    Mark: (0x0,0,0)
    Mark: 00/00/1900 00:00:00

    Current Full Backup:
    Log Gen: 0-0 (0x0-0x0)
    Mark: (0x0,0,0)
    Mark: 00/00/1900 00:00:00

    Current Shadow copy backup:
    Log Gen: 0-0 (0x0-0x0)
    Mark: (0x0,0,0)
    Mark: 00/00/1900 00:00:00

    cpgUpgrade55Format: 0
    cpgUpgradeFreePages: 0
    cpgUpgradeSpaceMapPages: 0

    ECC Fix Success Count: none
    Old ECC Fix Success Count: none
    ECC Fix Error Count: none
    Old ECC Fix Error Count: none
    Bad Checksum Error Count: none
    Old bad Checksum Error Count: none

    Last checksum finish Date: 00/00/1900 00:00:00
    Current checksum start Date: 00/00/1900 00:00:00
    Current checksum page: 0

    WARNING: primary header and shadow header are not identical.

    Operation completed successfully in 0.140 seconds.


    D:\Data\Private>

    D:\Data\Private>

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    In the absence of @sukh I would (and have) always called MS for support. It may cost about £200 but it means that if things start to get sticky you've got the best people looking after you.

  4. Thanks to psydii from:

    MrWu (4th November 2013)

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    zag
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    Wont help now but there is no real reason to run your own exchange server these days with Office 365 being free.

    No way I'd be trying to restore exchange servers in this day and age. What a nightmare!

    Good luck though.

  6. Thanks to zag from:

    MrWu (4th November 2013)

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    You know what, I am thinking the same. (Office 365)

    Since I got a bare metal backup anyway I will try recovering that this way, I have managed to backup the present EDB files anyway so could give it a go

    The server room is still flooding so I'm moving all the servers out tonight to the staffroom lol.

    Long night.....

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    I would try eseutil /p but could take a while if database is large. I would set the eseutil going as well as the restore of the database and logs and use which ever completes first.

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    MrWu (6th November 2013)

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    Quote Originally Posted by psydii View Post
    In the absence of @sukh I would (and have) always called MS for support.
    Someone else who maybe able to help is scorp508 on the Ars Technica forums. He's a senior member of the Exchange Team at Microsoft. If you re-post your question in the Windows Technical Mojo forum I am sure he will be able to help. He's very good.

  11. Thanks to Arthur from:

    MrWu (6th November 2013)

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    sorted? what logs do you have? the last full backup? no dag?

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    MrWu (6th November 2013)

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    Hi sukh:

    Had recent full bare metal backup from Windows Server backup(when dpm died from the flood in server room)
    Last night ran eseutil /r no joy
    Then tried to restore db from bare metal backup still won't mount
    Ran eseutil /mh indicated dirty shutdown
    Ran eseutil /p last resort and succeed to clean shutdown
    Ran eseutil /d ok
    Moved logs out
    Mount db - failed!
    Ran chkdsk /f on drive - corrected errors..E00 logs ws corrupted and won't delete now ok
    Mount db ok -mail working again
    Quick test - as far as mailbox tested, no missing emails.
    Unmount db
    Made manual copy of mailbox and public DB to another server
    At the same time rebuilt dpm server
    Just for good measure Disk to VHD the Exchange server too
    Built a Hyper-V VM ready to transfer to a new exchange server (no sure when server will go pop again)
    Trying to do a full backup again with a few users testing thier outlook and server died again( did not know that soon!)

    So this morning I have 3 choices:

    A) run the Disk2VHD file on a VM (not recommended but last resort)
    B) restore Bare Metal Backup (from Friday evening)to a spare server
    C) do a setup /m:recovery on the new VM I built, and use the repaired db I copied previously on Monday and mount

    Had to learn fast this week, staff very understanding due to flood from building works that leaking all over the ICT rooms, server room and music suite (the recording studio got hit with £35k of damage) :-(. In fact staff is telling me they are happier without emails!

    Will crack at it today.
    Last edited by MrWu; 6th November 2013 at 06:25 AM.

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    I would go for C....

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    MrWu (6th November 2013)

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    Thanks sukh

    I went for C in the end :-) with some good help have an Exchange Server again, on a VM ..

    We have reattached DPM 2012 onto it now, however, it does not backup the Main Exchange Mailbox, but Public DB is ok. screenshot of the error:

    error.JPG

    The Public Database is showing consistent but the Mailbox Database fails on a recovery point, even after a consistency check
    when I try to run consistency check on D:\Winclient, it flags up with an unable to Configure Protection..D:\Winclient is just a bog standard folder with a few MS Patches and drivers in it

    On Exchange I get these error:

    Log Name: Application
    Source: MSExchangeIS
    Date: 06/11/2013 15:18:11
    Event ID: 9782
    Task Category: Exchange VSS Writer
    Level: Error
    Keywords: Classic
    User: N/A
    Computer: SRV-EXCHANGE.hinchleyw.sch
    Description:
    Exchange VSS Writer (instance a91e59cd-71b1-428a-9077-34f2a1d9bcea:5) has completed the backup of database 'Mailbox Database 1267047735' with errors. The backup did not complete successfully, and no log files were truncated for this database.
    Event Xml:



    9782
    2
    41
    0x80000000000000

    2840
    Application
    SRV-EXCHANGE.hinchleyw.sch



    a91e59cd-71b1-428a-9077-34f2a1d9bcea:5
    Mailbox Database 1267047735
    46756C6C00




    Log Name: Application
    Source: ESE
    Date: 06/11/2013 15:18:11
    Event ID: 2007
    Task Category: ShadowCopy
    Level: Error
    Keywords: Classic
    User: N/A
    Computer: SRV-EXCHANGE.hinchleyw.sch
    Description:
    Information Store (4092) Shadow copy instance 5 aborted.

    For more information, click http://www.microsoft.com/contentredirect.asp.
    Event Xml:



    2007
    2
    16
    0x80000000000000

    2841
    Application
    SRV-EXCHANGE.hinchleyw.sch



    Information Store
    4092


    5



    I had to install DPM agent manually on the exchange server and reattach it back to my DPM server, would that cause this?

    Or I have heard you have to place the ESE file from the newly built Exchange server to the DPM server?

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    PS will try a Windows Server Backup tonight..

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    Ok Server Backup went ok, so will look at DPM ....

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    Create a test DB with a few mbxs and test via DPM.

  21. Thanks to sukh from:

    MrWu (6th November 2013)

  22. #15

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    Thanks sukh

    So in your opinion if a Mailbox DB backed up ok and logs flushed with Windows Server backup then my mailbox DB is ok? (And I haven't mucked it up with eseutil)

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