wintousb please format the destignation and try again

In 'Create a New Virtual Machine', choose 'Use another disc or disc image…', locate Win10_1511_1_English_圆4.iso, and click 'Continue'.In 'Select the Installation Method', choose 'Install from disc or image', and click 'Continue'.We’ll use the temporary Windows VM to write the disk image to the destination drive. Eject the driver drive: diskutil eject /dev/disk2.In 'Save Windows Support Software', choose the driver drive, and click 'Continue'.If 'Select Tasks' is not there, try 'Action->Download Windows Support Software'.Uncheck 'Install Windows 7 or later version'.Check 'Download the latest Windows support software from Apple'.Uncheck 'Create a Windows 7 or later version install disk'.Erase the disk using diskutil eraseDisk fat32 DRIVERS MBR /dev/disk2.In my case, the device name was /dev/disk2.

Run diskutil list to determine the device name.

Download the Windows 7 Automated Installation Kit from.

VMware Fusion 7.1.3 couldn’t connect my external USB disk to my Windows VM.

The non-professional free evaluation version is sufficient.

Install VMware Fusion 8.1.1 from VMware's site.

Driver drive: SanDisk Extreme 32GB USB 3.0 Flash Drive (SDCZ80-032G-GAM46).

Destination drive: Samsung T3 Portable 500GB USB 3.0 External SSD (MU-PT500B/AM).

In addition to the external drive that will host your Windows installation (the 'destination drive'), you will need another USB drive (the 'driver drive') to temporarily store the Boot Camp drivers.

I found that certain operations failed more frequently if I used the USB hub in my monitor.

Throughout the process, directly connect all devices to your Mac. I tested this process on a MacBookPro11,1 running OS X 10.11.5 (15F34). Here's an updated procedure for Windows 10, based on orkoden's excellent answer.

Wintousb please format the destignation and try again