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Booting into Boot Camp Windows partition with non-standard Boot Camp configuration

  • Parallels Desktop 3 for Mac
  • Parallels Desktop 2.x for Mac


Trying to start Parallels Desktop virtual machine based on Boot Camp partition you receive the following error message:

"More than one Windows partitions are found. This is not a standard Boot Camp Configuration"


1. In the Finder, open Applications > Utilities and double-click the Terminal icon

2. In the Terminal, type the command

diskutil list

and press Enter

3. In the output, locate the required Boot Camp Windows partition (for example, Microsoft Basic Data NO NAME 31.4 GB disk0s3) and note the partition’s number, as well as the number of the drive

4. In the Finder, navigate to Documents > Parallels and locate the .pvs file of the virtual machine. Open this file using TextEdit and locate the following line:

Disk 0:0 image = Boot Camp

5. Change the line in the following way:
Disk 0:0 image = Boot Camp;diskXsY


X stands for number of physical disk

Y refers to the number of Boot Camp Windows partition.

This parameters are displayed when running diskutil list command.

6. Save the changes.

7. Close the TextEdit and double-click the .pvs file to start Windows.

For Example:

The output of command diskutil list looks as follows:


#: type name size identifier

0: GUID_partition_scheme *465.8 GB disk0

1: EFI 200.0 MB disk0s1

2: Apple_HFS Mac HD 434.0 GB disk0s2

3: Microsoft Basic Data NO NAME 31.4 GB disk0s3


#: type name size identifier

0: CD_partition_scheme *352.3 MB disk1

1: CD_ROM_Mode_1 Mac Drivers 306.8 MB disk1s0


#: type name size identifier

0: FDisk_partition_scheme *149.1 GB disk2

1: DOS_FAT_32 CHAS 149.0 GB disk2s1


#: type name size identifier

0: Apple_partition_scheme *90.3 MB disk3

1: Apple_partition_map 31.5 KB disk3s1

2: Apple_HFS Parallels Desktop 90.2 MB disk3s2

The line in the .pvs file should look like:

Disk 0:0 image = Boot Camp;disk0s3


6c0bc137413ef2b485c9418f5dd9403a 1e5db16426987d561060acdf56d947b4 33c4522b6fa9ca8e050f19b889fb58f1 add78cd663c4b3736f2c866e82d5ef12

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