Windows7 shared folder could not access from XP

Can't access win 7 shared folder from win xp

 
When you try to access a Windows XP-based network computer, you receive an error message that resembles the following: "
xxxxxxx is not accessible. You might not have permission to use this network resource. Access is denied. "


To resolve this issue, set the value of the restrictanonymous registry entry to 0. To do this, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then double-click the following registry subkey:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
3. On the right side, double-click restrictanonymous.
4. Make sure that the value in the Value data box is set to 0, and then click OK.
5. Close Registry Editor.
6. Restart the computer.

http://support.microsoft.com/kb/913628