With the help of this application, you can remote access from Mac to PC from almost anywhere.

Microsoft Remote Desktop: A tool to remote access from Mac to PC You will find the free application at the first search result. If you are in the Mac App Store and successfully accessed it, use the search bar to look for the Microsoft Remote Desktop. In order to get started with Microsoft Remote Desktop, you must begin by downloading it from the Mac App Store. This is a great tool if you want to remote access from Mac to PC. It allows users to remotely connect to a Windows desktop to access local files, applications, and network resources. The stalwart tool has been a remote connection for all Mac users who want to access Microsoft systems. Comodo MAM Mobile Application Management.I understand this being a problem if I were using a different user name & password, but since it's the same as the one I use when connecting (successfully) from my pc, I don't know how to correct it. I've figured out how to get the Remote Desktop Connection to give me a log in for our server however, when I try to log in with my user name & password, it gives me that message that I 'must be granted the Allow log on through Terminal Services rights.' What I don't understand is that I can still log onto my work server with my home pc using the user name & password, so why is there a problem doing the same with the Mac? I've googled & read many articles, but I can't find the answer.

I do have the Remote Desktop Connection Mac that came with the Microsoft Office for Mac. My company uses Windows 2003 small business server and I can log in from my home pc.

I see this post is from July 2011 however, did you ever get a response to your question? I just bought a MacBook Air, and I'm having the same problem.

Remote desktop connection mac os x