Firstly thank you for this, interestingly for me I wasn't able to Root the phone with Windows 7 32 or 64 bit edition initially on the default Huawei image using the .bat file. I used Paul's method instead. Once the phone was rooted I backed up the IMEI and then flashed the Huawei image (B934) from their website.
After the phone loaded with the new image I was able to use the .bat files that provided with no issues at all. Root worked perfectly as did unlock boot loader and install CWM. Perhaps there is an issue with with the default image you don't see once you have installed another firmware?
Anyway thank you once again for the tutorial it is very well done and easy to follow.