I like to perform a vulnerability scan on Win 7 Ultimate systems out of a domain based on IP range, but I'm continuously getting the "User is not an administrator on the machine" error message. I haven't got WSUS server, just PCs. I was using the same administrator
user account both on source an target system. The problem is independent of the state of the firewall, it pass through TCP 135, 139, 445 and UDP 137, 138 ports and it's appear at turned off firewall too.
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