In case your windows command prompt is disabled and you are getting the following message:

The command prompt has been disabled by your administrator.
Press any key to continue . . .

You can make it available by changing registry value “HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System”, “DisableCMD” to “0″ (zero).

If your “Run…” option is hidden in start menu or you are unable to navigate to UNC path (e.g. “\\servername”) change the following registry setting to “0″:

“Software\Microsoft\Windows\CurrentVersion\Policies\Explorer”,”NoRun”

Additional information and key can be found here.