SBS2008 cannot configure backup schedule

I'm trying to configure SBS backup on a new SBS2008 Server. This server has a RAID5 Array using 4 1Tb Drives, with 2 virtual disks created. One is a 250Gb C drive with the os installed, and the other a 2.6Gb Data Partition (partitioned as a GUID Partition Table) containing exchange data and users shared folders. We have a 4Tb USB drive which i partitioned (again using GUID Partition Table) for the backup, but whenever i try and configure the backup i get a message saying that it cannot configure the backup schedule. I've read elasewhere (SBS Blogs) that if the backup drive isnt big enough to contain the complete volumes to be backed up you can get this message, but as you can see my backup drive is of adequate size. I suspect its down to using GUID partiton tables, but i'd quite like confirmation from the experts here and some suggestions on how to alleviate this issue.

Regards,
Simon
blueboxitAsked:
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blueboxitConnect With a Mentor Author Commented:
I've just read this is down to backup trying to format the target disk as a MBR drive, and because its over 2Tb it fails. Apparently MS say this is fixed in SP2, so im downloading SP2 for Server 2008 and ill try installing that - anyone know if this is safe for SBS2008?
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dmessmanCommented:
I had this same issue and read somewhere that any partition that you are trying to back up has to be 2 TB minus 4 GB.  It's not about the size of your backup drive, but the size of the drive you are backing up.  Instead of one 2.6 TB drive, if you made it into two 1.3 TB drives, I bet you'd back up fine.  

I believe that Windows itself told me about the size limitation.  You can also try configuring backup via Windows Server Backup - instead of the backup inside the SBS console.
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blueboxitAuthor Commented:
Sounds logical. Is there an easy way of splitting the data drive now? Bearing in mind that this is in a production enviroment at the moment?
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dmessmanCommented:
Yes, you can resize partitions on the fly.  

Go into server manager.  Go to storage -> disk management.

Right click on on the partition in question and choose "shrink volume"

I don't think it required a reboot or did anything weird, but I'd recommend doing it during off-hours.
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blueboxitAuthor Commented:
I resized the partition and got the same error?
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dmessmanCommented:
Are the drives you are trying to back up formatted as NTFS?  

Try using the non-SBS backup from Server Manager just to see if it gives you an error:

Go into server manager.  Go to storage -> Windows Server Backup

Just to see if it gives you any more information.
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blueboxitAuthor Commented:
Also, to help diagnose this, here are the results of the backup wizard logs...

---------------------------------------------------------
[9420] 100108.154603.8122: General: Initializing...C:\Program Files\Windows Small Business Server\Bin\SBCW.exe
[3216] 100108.154611.1290: Storage: Found valid target disk: DiskName=DELL PERC 6/i Adapter SCSI Disk Device, DiskId=40fa2d61-99cd-4cde-8c03-9def29eaded6
[3216] 100108.154611.1290: Storage: Found valid target disk: DiskName=External RAID USB Device, DiskId=81550d65-0000-0000-0000-000000000000
[3216] 100108.154611.1460: Storage: Found valid source volume: VolumeLabel=System, MountPath=C:
[3216] 100108.154611.1460: Storage: Found valid source volume: VolumeLabel=Data, MountPath=E:
[3216] 100108.154611.1580: Storage: ResultCountException in GetPolicy: Microsoft.WindowsServerSolutions.PowerShell.ResultCountException: Exception of type 'Microsoft.WindowsServerSolutions.PowerShell.ResultCountException' was thrown.
   at Microsoft.WindowsServerSolutions.PowerShell.PSRuntime.ExecuteCommandSingleResult[T](String command, PSParameterList parameterList)
   at Microsoft.WindowsServerSolutions.Storage.Common.LHSBPSRuntime.GetPolicy(Boolean edit)
[3216] 100108.154611.1580: Storage: No current policy found
[3216] 100108.154611.1610: Storage: Found valid external target disk: DiskName=External RAID USB Device, DiskId=81550d65-0000-0000-0000-000000000000
[9420] 100108.154614.1323: WizardChainEngine Next Clicked: Going to page {0}.: TargetPagePresenter
[9420] 100108.154615.7394: Storage: Disk (DiskId=81550d65-0000-0000-0000-000000000000, Path=81550d65-0000-0000-0000-000000000000) is selected as target
[9420] 100108.154615.7394: WizardChainEngine Next Clicked: Going to page {0}.: LabelPagePresenter
[9420] 100108.154617.5326: WizardChainEngine Next Clicked: Going to page {0}.: SourcePagePresenter
[9420] 100108.154619.2998: Storage: Volume (MountPoint=\\?\Volume{99251646-e02c-11de-9d58-806e6f6e6963}, MountPath=C:) is selected as source
[9420] 100108.154619.2998: Storage: Volume (MountPoint=\\?\Volume{4bc6d086-427a-4e45-a895-f99645d28bf8}, MountPath=E:) is selected as source
[9420] 100108.154619.2998: WizardChainEngine Next Clicked: Going to page {0}.: SchedulePagePresenter
[9420] 100108.154621.1820: Storage: 17:00 is selected as schedule time
[9420] 100108.154621.1820: Storage: 23:00 is selected as schedule time
[9420] 100108.154621.1820: WizardChainEngine Next Clicked: Going to page {0}.: SummaryPagePresenter
[9420] 100108.154624.0603: Wizard: WizardChainEngine Next Clicked: Last page, so the wizard isdone, closing wizard frame and returning
[5756] 100108.154624.2393: AdminTME: AdminDataLink Running Task: CommitterSequenceTask
[5756] 100108.154624.3573: Storage: Create backup target disk: DiskName=External RAID USB Device, Label=Backup Drive 1
[5756] 100108.154624.3623: Storage: Add backup target: Label=Backup Drive 1
[5756] 100108.154624.3713: Storage: Add backup volume: MountPath=C:
[5756] 100108.154624.3753: Storage: Add backup volume: MountPath=E:
[5756] 100108.154624.3933: TaskScheduler: Exception System.IO.FileNotFoundException:

[5756] 100108.154624.4013: Exception:
---------------------------------------
An exception of type 'Type: System.IO.FileNotFoundException, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' has occurred.
Timestamp: 01/08/2010 15:46:24
Message: The system cannot find the file specified. (Exception from HRESULT: 0x80070002)
Stack:    at TaskScheduler.TaskSchedulerClass.GetFolder(String Path)
         at Microsoft.WindowsServerSolutions.Common.WindowsTaskScheduler..ctor(String taskPath, String taskName)

[5756] 100108.154624.4033: Storage: Exception Microsoft.WindowsServerSolutions.Common.WindowsTaskSchedulerException:

[5756] 100108.154624.4043: Exception:
---------------------------------------
An exception of type 'Type: Microsoft.WindowsServerSolutions.Common.WindowsTaskSchedulerException, Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' has occurred.
Timestamp: 01/08/2010 15:46:24
Message: Failed to find the task path
Stack:    at Microsoft.WindowsServerSolutions.Common.WindowsTaskScheduler..ctor(String taskPath, String taskName)
         at Microsoft.WindowsServerSolutions.Storage.Common.ServerBackupUtility.GetServerBackupTaskStatus()
---------------------------------------
An exception of type 'Type: System.IO.FileNotFoundException, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' has occurred.
Timestamp: 01/08/2010 15:46:24
Message: The system cannot find the file specified. (Exception from HRESULT: 0x80070002)
Stack:    at TaskScheduler.TaskSchedulerClass.GetFolder(String Path)
         at Microsoft.WindowsServerSolutions.Common.WindowsTaskScheduler..ctor(String taskPath, String taskName)

[5756] 100108.154624.4053: Storage: No previous backup found ErrorCode:0
BaseException: Microsoft.WindowsServerSolutions.Storage.Common.StorageException: GetServerBackupTaskStatus: fail to find the task ---> ErrorCode:0
BaseException: Microsoft.WindowsServerSolutions.Common.WindowsTaskSchedulerException: Failed to find the task path ---> System.IO.FileNotFoundException: The system cannot find the file specified. (Exception from HRESULT: 0x80070002)
   at TaskScheduler.TaskSchedulerClass.GetFolder(String Path)
   at Microsoft.WindowsServerSolutions.Common.WindowsTaskScheduler..ctor(String taskPath, String taskName)
   --- End of inner exception stack trace ---
   at Microsoft.WindowsServerSolutions.Common.WindowsTaskScheduler..ctor(String taskPath, String taskName)
   at Microsoft.WindowsServerSolutions.Storage.Common.ServerBackupUtility.GetServerBackupTaskStatus()
   --- End of inner exception stack trace ---
   at Microsoft.WindowsServerSolutions.Storage.Common.ServerBackupUtility.GetServerBackupTaskStatus()
   at Microsoft.WindowsServerSolutions.Storage.Common.ServerBackupWorker.SavePolicyWithEnabledState(WBPolicy policy)
[5756] 100108.154625.0514: Storage: Terminating error in Set-WBPolicy: Microsoft.SnapIns.Backup.UI.Proxy.BlockLevelBackupException: IBlbEngine::FormatAndCreateSinglePartition failed due to error: Unknown error (0x8004240f), (0x8004240f).
.
   at Microsoft.SnapIns.Backup.UI.Proxy.HResultHelper.HRToException(Int32 hr, String op)
   at Microsoft.SnapIns.Backup.UI.Proxy.ManagedProxy.FormatAndCreateSinglePartition(Guid diskId, String volumeLabel)
   at Microsoft.Windows.ServerBackup.Commands.WBPolicy.Save()
   at Microsoft.Windows.ServerBackup.Commands.SetWBPolicy.ProcessRecord()
   at System.Management.Automation.Cmdlet.DoProcessRecord()
   at System.Management.Automation.CommandProcessor.ProcessRecord()
[5756] 100108.154625.0574: AdminTME: Status: TaskId = UpdateServerBackupPolicy, RootTaskId = UpdateServerBackupPolicy, Success: False, Warning: False, Continue: False, Message: The server cannot configure the backup schedule. Please try again. If this problem persists, contact the person or company who provides you with technical support.
[9420] 100108.154625.0914: AdminTME: Committer: Completed called
[9420] 100108.154625.0914: AdminTME: Committer: Task was cancelled.
[9420] 100108.154625.1054: AdminTME: Committer: Committer Completed.
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blueboxitAuthor Commented:
And again, for more information, when i tried to configure it in server manager instead of sbs manager, i got an error code 0x8004240f
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blueboxitAuthor Commented:
Right - i've installed SP2 and that has allowed me to configure the backup - it finally works. I've also resized the data partition back to 2.6Tb and its running a backup as we speak. Looks like the key was definately the target disk being larger than 2Tb.
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RLUNTCommented:
This did not work for 2008 SP2 Enterprise
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RLUNTCommented:
This error also shows up when the disk is 'off-line' under Storage Management.

While the OS can 'see' the disk, it can still be in an off-line state. Right click and click 'on-line' and this error goes away.

<start>right click 'Computer' - click <Manage><Storage><Disk Management>
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