SBS 2008 bare metal restore restore on ESXi

The backup size is approx 60GB, and the new VMDK is 450GB.
Still - recieved an error every time:

The Windows Complete PC Restore operation failed.
Error details: The disk that is set as active in BIOS is too small to recover the original system disk.  Replace the disk with a larger one and retry the restore operation. (0x80042407)
IT_Group1Asked:
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Cliff GaliherCommented:
The disk and partitions must be at least as large as they were when the backup was made. That partition size is what catches most people at first.

-Cliff
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IT_Group1Author Commented:
Thx for the reply Cliff.
Just to make sure I've understood correctly; if partition c was 250gb and the other 2 partitions was also 250gb each (750gb in total), BUT the actual data on al partitions is less than 50gb, I won't be able to restore the whole server on a virtual disk w/ 450gb?

Why can't I restore the system partition alone ( c drive which is 250gb) -  Getting the same error ??

Thx
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Cliff GaliherCommented:
That is correct. The partitions must be at least the same size. Even if you choose not to restore some drives, the backup image still has information about them, and concludes that you *could* try to restore them in the future. To prevent errors with the restore process, it ensures that the minimum requirements (drive and partition sizes) are already met.

-Cliff
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IT_Group1Author Commented:
I'm speechless. It's not the wisest idea..
Anyway, how can I mount the VHD and see the exact partitions size of the backup?

Thank you!
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Cliff GaliherCommented:
There isn't a way that I know of.
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IT_Group1Author Commented:
So we rely only on our good memory / documentation?
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IT_Group1Author Commented:
Btw, if the windows backup has backup only one partition, will it still be looking for ALL the other partitions which exists during the backup, or only for the one which has been backup?
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Cliff GaliherCommented:
Only the ones that were in the backup set. And yes, you rely on your documentation.  
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IT_Group1Author Commented:
Do you think that thin provisioning 3 big enough partitions in Esxi will workaround this issue?
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Cliff GaliherCommented:
I would think so, but I've never tried.

-Cliff
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IT_Group1Author Commented:
This issue is the same for all the Windows Backup editions (2008 STD , r2, sbs2011 etc)?
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Cliff GaliherCommented:
With all backups made since moving to an image- based backup (vista/2008 and beyond) yes.

-Cliff
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IT_Group1Author Commented:
Dear Cliff
We passed the initial problem, but now there's a new one:

Windows Complete Restore failed.
Error details: Element not found(0x80070490).

I've read alot of articles before posting here w/ this error.
The new Thin Provisioning disks were 1TB at first and after that 750 GB (exactly as the original size of the backup partitions).

Any ideas how to overcome this nightmerish restore procedure??

Thx
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subhashchyCommented:
if you have less data (as you said about 60 GB) and having lot of issues with it then i can suggest a workaround here..
YOu can mount the VHD in windows (from disk part or diskmgmt) and then copy paste the data using xcopy. If it comes to boot drive there can be some issues but using robocopy it can be done correctly.

As you said , You do search so you can serach for how to attach a VHD in diskpart.

You will have to edit the Boot configuration as well..
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IT_Group1Author Commented:
Thx.
Is there a good easy guide hot to boot from VHD?
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subhashchyCommented:
To attach the VHD ,you can either use diskpart or diskmanagement console .. Disk management GUI is much easy then diskpart.Go to Action=>Attach or create VHD.


TO boot from VHD you should edit the bcdedit with following commands...

bcdedit /store C:\Boot\BCD /copy {default} /d "Boot_FROM_VHD"

It will return a GUID ,Replace the GUID in below commands with the one retruned.

bcdedit /store C:\Boot\BCD /set {a5762099-0583-11e0-82ce-97b148f7caf8} device vhd=[C:]\VHDNAME.Vhd

bcdedit /store C:\Boot\BCD /set {a5762099-0583-11e0-82ce-97b148f7caf8} osdevice vhd=[C:]\vhdname.vhd

bcdedit /store C:\Boot\BCD /set {a5762099-0583-11e0-82ce-97b148f7caf8} detecthal on

Open in new window


Do let us know incase you have questions..
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IT_Group1Author Commented:
Any news ?
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Cliff GaliherCommented:
This is probably a misconfiguration or compatibility issue with your virtualization platform. In short, an 80070490 means that the restore process could not properly access the device to perform a block level restore. You see this most often with USB drives plugged in and bioses configured to allow USB booting, but the restore process cannot properly set the active partition or load the boot kernel.

In your case, I suspect the problem is very similar. The virtualization is not presenting the thin-provisioned disk in a fully compatible fashion that will allow windows restore to configure it as a boot device.

-Cliff
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IT_Group1Author Commented:
Many Thx
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