Got a Windows 7 SP1 32-bit Pro machine that have seen various large applications already. So I am not sure if the security policy of the machine is the default. When trying to mount a Samba share got the error message below. System error 58 has occurred. The specified server cannot perform the requested operation. This was done via net use \\<ip>\share . Mounting the share via Windows Explorer yields nothing, just a long wait for nothing. The fix for my case was to change Security Settings | Local Policies | Security Options | Microsoft network client: Digitally sign communications (always) to disabled . You have to reboot the machine for the changes to take effect. References: http://social.technet.microsoft.com/Forums/windows/en-US/5dd9991b-78e7-4fa3-b17c-366e4ae0092f/cant-connect-to-samba-from-windows-7-vista-xp-ok-many-popular-solutions-tried-without-success?forum=w7itpronetworking
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