Did this just start happening? I am able to do it easily in AutoCAD 2014 (see attached Screencast).
What happens if you log onto your workstation as a new user with administrator permissions? Does Map still misbehave?
You could also try a Reset settings to Default or even a repair from Windows Control Panel>Programs
Please hit the Accept as Solution button if my post fully solves your issue or answers your question.
John Vellek
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