This article provides the steps to follow when you are unable to start your Boot Camp partition in VMware Fusion.
For general information about Boot Camp, see Working with VMware Fusion and Boot Camp partitions
For the general procedure for starting a Boot Camp partition in Fusion, see Launching your Boot Camp partition in VMware Fusion
If you are unable to power on a Boot Camp virtual machine in Fusion 6 after an upgrade from Fusion 5, see Troubleshooting Fusion virtual machine startup issues
Symptoms:
Boot Camp partition preprocessing failed.
You may not be able to boot your Boot Camp partition as a virtual machine.
Could not create the virtual disk for your Boot Camp virtual machine.
Could not create the virtual machine for your Boot Camp partition.
A failure occurred during preprocessing: An unknown error occurred.
This operation is unavailable because the Boot Camp partition could not be found.
Each step below provides instructions and a link to a document for performing the step and taking corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and to identify the proper resolution. They are also ordered in the most appropriate sequence to minimize data loss. After completing each step, try starting the Boot Camp partition in Fusion again. Work through each troubleshooting step in order, and do not skip a step.
To troubleshoot a Boot Camp partition that does not power on:
If the issue continues to exist after trying the steps in this article: