If you can sniff out a legitimate MAC address, you can then spoof your MAC address and gain access to the WiFi network.Īnother example is if you have an ISP that allows only a certain number of computers to connect to the Internet from your home. Changing the MAC Address can help you bypass certain network restrictions by emulating an unrestricted MAC Address or by spoofing a MAC address that is already authorized.įor example, a WiFi network may allow only authorized computers to connect to the network and filters out computers based on the MAC address. So why would you want to change your MAC address? Well there are many reasons for this, mostly related to bypassing some kind of MAC address filter set on a modem, router or firewall. Microsoft Answers Feedback Forum and let us know what you think.All MAC addresses are hard-coded into a network card and can never be changed. However, you can change or spoof the MAC address in the operating system itself using a few simple tricks. G. Close registry editor and restart the computer. If the lmcompatibilitylevel DWORD does not exist, create a new DWORD.ī. A new DWORD called "New Value #1" will be created.Ĭ. Rename the new DWORD to lmcompatibilitylevel.ĭ. Right-click lmcompatibilitylevel and select ‘ Modify’ from the pop-up menu. Right-click lmcompatibilitylevel and select ‘Modify’ from the pop-up menu. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsaģ. In the ‘Value’ pane of the Registry Editor, check to see if the following DWORD exists: lmcompatibilitylevel. Information about how to back up and restore the registry, click the windows help article below.ġ. Go to start, type regedit.exe and press Enter. Then, you can restore the registry if a problem occurs. For added protection, back up the registry before you modify it. Therefore, make sure that you follow these steps carefully. Serious problems might occur if you modify the registry incorrectly. Important : This section, method, or task contains steps that tell you how to modify the registry. Change the setting from "require 128 bit" to "unchecked (No Minimum)".
Network Security: Minimum session security for NTLM SSP Based (including secure RPC) Clients.ĥ. Change the setting from " NTMLv2 response only" to " Send LM & NTLM - use NTLMv2 session if negotiated".Ĥ. Locate " Network Security: LAN Manager Authentication Level" inģ. Isn’t supported in your version of Windows, go to Method 2.ġ. You will not have the Local Group Policy Editor available in the Windows 7 Starter and Home Premium editions.
Note: Group policy editor is available only in Professional, Ultimate and Enterprise edition of Windows 7. If Group Policy Editor is available for your version of Windows, configure the following setting.
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