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Windows 7 cannot connect to Mac - Help!

willroz asked on
I have an old T-20 running xpsp3. I just got a new laptop running windows7 home premium. My wife's Mac G5 sees the T-20 but cannot find the new laptop. How to connect the Win7 machine to the Mac?
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Shinmila H replied on
Hey willroz,
 
If Group Policy Editor is available for your version of Windows, configure the following setting.

Note: Group policy editor is available only in Professional, Ultimate and Enterprise edition of Windows 7. You will not have the Local Group Policy Editor available in the Windows 7 Starter and Home Premium editions. If Group Policy Editor isn’t supported in your version of Windows, go to Method 2.

Method 1: Via Group Policy


1.  Go to Start, type secpol.msc and press Enter to get editor up.
2.  Locate "Network Security: LAN Manager Authentication Level" in the list and double-click on it.
3.  Change the setting from " NTMLv2 response only" to "Send LM & NTLM - use NTLMv2 session if negotiated".
4.  Network Security: Minimum session security for NTLM SSP Based (including secure RPC) Clients.
5.  Change the setting from "require 128 bit" to "unchecked (No Minimum)".
6.  Click OK.

Method 2: Via Registry.

Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the windows help article below.

1. Go to start, type regedit.exe and press Enter.

2. Locate the following key.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa

3. In the ‘Value’ pane of the Registry Editor, check to see if the following DWORD exists: lmcompatibilitylevel. If it does, perform the following:
Right-click lmcompatibilitylevel and select ‘Modify’ from the pop-up menu.

4. Enter a Value data of 1.

5. Click the ‘OK’ button.

If the lmcompatibilitylevel DWORD does not exist, create a new DWORD.

Here's how:


        a. From the Registry Editor menu, select Edit, New, DWORD (32-bit) Value. 
        b. A new DWORD called "New Value #1" will be created. 
        c. Rename the new DWORD to lmcompatibilitylevel. 
        d. Right-click lmcompatibilitylevel and select ‘Modify’ from the pop-up menu. 
        e. Enter a Value data of 1
        f. Click the ‘OK’ button. 
        g. Close registry editor and restart the computer.

Test and see if this helps.


Regards,

Shinmila H - Microsoft Support

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