Hi,

I have installed Windows 2008 Enterprise edition. Updated all patched from windows updated. Add the Hyper-V role and installed Windows 2003 in one Virtual Machine and Windows 2008 in another. After the first VM installation itself i had the problem as the below error was coming ibn.

I has to shutdown the Windows 2003 to install Windows 2008.

Now i can only run 1 OS at a time. Shut down 1 to start the other


[Window Title]
Hyper-V Manager

[Main Instruction]
An error occurred while attempting to change the state of virtual machine New Virtual Machine.

[Content]
'New Virtual Machine' failed to start.

Microsoft Emulated IDE Controller (Instance ID {83F8638B-8DCA-4152-9EDA-2CA8B33039B4}): Failed to power on with Error 'The process cannot access the file because it is being used by another process.'

Failed to open attachment 'E:'. Error: 'The process cannot access the file because it is being used by another process.'

[Expanded Information]
'New Virtual Machine' failed to start. (Virtual machine 418ACD0E-5FBA-4053-AFDD-1EDA51694EF5)

'New Virtual Machine' Microsoft Emulated IDE Controller (Instance ID {83F8638B-8DCA-4152-9EDA-2CA8B33039B4}): Failed to power on with Error 'The process cannot access the file because it is being used by another process.' (0x80070020). (Virtual machine 418ACD0E-5FBA-4053-AFDD-1EDA51694EF5)

'New Virtual Machine': Failed to open attachment 'E:'. Error: 'The process cannot access the file because it is being used by another process.' (0x80070020). (Virtual machine 418ACD0E-5FBA-4053-AFDD-1EDA51694EF5)

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Any help is of great use.

REgards
Sharath