Can't resize bootcamp partition after upgrading to OS10.11 on mac mini
Can't resize bootcamp partition after upgrading to OS10.11 on mac mini. Can't get "handles" to resize
Mac mini, Mac OS X (10.7.5)
Bootcamp Windows partition can not be/should not be resized using any Apple or third-party tool. Apple does not support such an operation.
Please see Boot Camp: Resize the Windows partition .
You will need third-party tools like WinClone, CampTune or CloneZilla, GParted or TBiL for such work.