You'll need to update your license file to the new server location. To do this you'll need to find your current Matlab license file directory.
The file will be named network.lic or license.dat
Matlab license file locations
( in all cases replace R2013a with your installed version)
WIndows XP or Windows 7
32bit c:\Program FIles\Mathlab\R2013a\licenses
64bit c:\Program FIles\Mathlab\R2013a\licenses or c:\Program FIles (x86)\Mathlab\R2013a\licenses
/Applications/MATLAB_2013a/licenses/ (may have to use show package contents or the terminal)
More info on locations:
You can update your license file in one of two ways:
Please email email@example.com or call x5162 if you need help.