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1) On your computer, start the "Remote Desktop Connection" application, or mstsc.exe.
2) In the "Computer" box, enter the computer's hostname that was provided to you.
3) The authentication prompt will try to use your local Windows user credentials by default, but this won't work.
a) Click "More choices"
b) Click "Use a different account"
c) In the username field, type or paste the username you were provided with a preceding backslash "\" as pictured below.
d) Click 'OK'.
4) You should now see the desktop of the remote computer. If you encounter an error please submit a ticket to iSchool Tech Services and attach a screenshot of the error.