Hi,
Here's a FAQ about How to change MAC address in Windows 7, for your reference:
https://social.technet.microsoft.com/Forums/windows/en-US/a6dda0a0-3a8e-4385-981a-b1707f2dd76c/forum-faqhow-to-change-mac-address-on-windows-7?forum=w7itpronetworking
"1. Go to Device Manager, right click on the NIC and select Properties; switch to Advanced tab check if you have modified the entry “Network Address”.
2. Completely uninstall the NIC in Device Manager and remove its driver from Programs and Features.
3. Restart the computer and install the latest version of its driver for Windows 7 to see how it works. "
However, "00-00-00-00-00-00" is an invalid source MAC address. Does you run "ipconfig /all" and get this value?
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