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For a while now I've been experiencing trouble with trying to back up our server using the built-in server backup tool: It would fail for some reason about a shadow copy, but would work if I just chose to do the individual drives (C:, D:).

Lately though, it has started acting up and is now failing out of the blue with this:

Backup failure showing failure due to parameter is incorrect

I don't know what's causing it, and I've been searching around on Google but haven't had any luck with it.

For more information, here's a couple of snaps from the event log that might be of help:

Picture showing event log error code

Picture showing event viewer item details.

And finally, an XML dump from picture 3's details window:

Log Name:      Microsoft-Windows-Backup
Source:        Microsoft-Windows-Backup
Date:          6/10/2013 7:20:39 AM
Event ID:      5
Task Category: None
Level:         Error
Keywords:      
User:          SYSTEM
Computer:      ******
Description:
The backup operation that started at '‎2013‎-‎06‎-‎10T12:19:26.203012000Z' has failed with following error code '2147942487'. Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Backup" Guid="{1DB28F2E-8F80-4027-8C5A-A11F7F10F62D}" />
    <EventID>5</EventID>
    <Version>2</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x4000000000000000</Keywords>
    <TimeCreated SystemTime="2013-06-10T12:20:39.944212000Z" />
    <EventRecordID>262</EventRecordID>
    <Correlation />
    <Execution ProcessID="7992" ThreadID="5672" />
    <Channel>Microsoft-Windows-Backup</Channel>
    <Computer>******</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
    <Data Name="BackupTemplateID">{99B0DB5B-0D9C-4104-B80A-CB0DA8E1A81F}</Data>
    <Data Name="HRESULT">2147942487</Data>
    <Data Name="BackupState">12</Data>
    <Data Name="BackupTarget">Q:</Data>
    <Data Name="NumOfVolumes">2</Data>
    <Data Name="BackupTime">2013-06-10T12:19:26.203012000Z</Data>
    <Data Name="HRESULT2">2147942487</Data>
    <Data Name="VolumesInfo">&lt;VolumeInfo&gt;&lt;VolumeInfoItem Name="C:" OriginalAccessPath="C:" State="15" HResult="-2139619228" DetailedHResult="0" PreviousState="0" IsCritical="1" IsIncremental="0" BlockLevel="1" HasFiles="0" HasSystemState="0" IsCompacted="0" IsPruned="0" IsRecreateVhd="0" FullBackupReason="0" DataTransferred="0" NumUnreadableBytes="0" TotalSize="0" TotalNoOfFiles="0" Flags="1544" BackupTypeDetermined="0" SSBTotalNoOfFiles="0" SSBTotalSizeOnDisk="0" /&gt;&lt;VolumeInfoItem Name="D:" OriginalAccessPath="D:" State="15" HResult="-2139619228" DetailedHResult="0" PreviousState="0" IsCritical="0" IsIncremental="0" BlockLevel="1" HasFiles="0" HasSystemState="0" IsCompacted="0" IsPruned="0" IsRecreateVhd="0" FullBackupReason="0" DataTransferred="0" NumUnreadableBytes="0" TotalSize="0" TotalNoOfFiles="0" Flags="8" BackupTypeDetermined="0" SSBTotalNoOfFiles="0" SSBTotalSizeOnDisk="0" /&gt;&lt;/VolumeInfo&gt;</Data>
    <Data Name="DetailedHRESULT">0</Data>
    <Data Name="SourceSnapStartTime">2013-06-10T12:19:26.187412000Z</Data>
    <Data Name="SourceSnapEndTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="PrepareBackupStartTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="PrepareBackupEndTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="BackupWriteStartTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="BackupWriteEndTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="TargetSnapStartTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="TargetSnapEndTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="DVDFormatStartTime">&lt;TimesList&gt;&lt;/TimesList&gt;</Data>
    <Data Name="DVDFormatEndTime">&lt;TimesList&gt;&lt;/TimesList&gt;</Data>
    <Data Name="MediaVerifyStartTime">&lt;TimesList&gt;&lt;/TimesList&gt;</Data>
    <Data Name="MediaVerifyEndTime">&lt;TimesList&gt;&lt;/TimesList&gt;</Data>
    <Data Name="BackupPreviousState">2</Data>
    <Data Name="ComponentStatus">&lt;ComponentStatus&gt;&lt;/ComponentStatus&gt;</Data>
    <Data Name="SSBEnumerateStartTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="SSBEnumerateEndTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="SSBVhdCreationStartTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="SSBVhdCreationEndTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="SSBBackupStartTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="SSBBackupEndTime">1601-01-01T00:00:00.000000000Z</Data>
    <Data Name="SystemStateBackup">&lt;SystemState IsPresent="0" HResult="0" DetailedHResult="0" /&gt;</Data>
    <Data Name="BMR">false</Data>
    <Data Name="VssFullBackup">false</Data>
    <Data Name="UserInputBMR">false</Data>
    <Data Name="UserInputSSB">false</Data>
    <Data Name="BackupSuccessLogPath">
    </Data>
    <Data Name="BackupFailureLogPath">
    </Data>
    <Data Name="EnumerateBackupStartTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="EnumerateBackupEndTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="PruneBackupStartTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
    <Data Name="PruneBackupEndTime">&lt;TimesList&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;Time Time="1601-01-01T00:00:00.000Z" /&gt;&lt;/TimesList&gt;</Data>
  </EventData>
</Event>

I am not sure if this is entirely useful - if additional details are needed, please let me know and I will append them to this as they become available by request.

EDIT: Forgot to specify some basic but important information:

OS - Windows Server 2008 R2 Standard, Service Pack 1, 64-Bit

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1 Answer 1

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From Microsoft:

Either your backup disk has a sector size greater than 512 bytes and does not have emulation for 512 byte size I/O. Hence backup may be failing. To check whether your disk allows 512 byte I/O, try quick formatting a volume (some small test volume). Right click and chose Format. There you will find choice for "Allocation unit size". Pick 512. See if formatting is successful.

Second possibility is that, the last sector of your C: may be corrupt. Chkdsk does not detect this. Try to extend or shrink the volume by 10 MB, and retry the backup.

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