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<title>2018 License Server Migration</title>
In early 2018, it was necessary to change our license servers. These changes should allow for greater flexibility in the future. The table below summarizes the new licensing information. In several cases, the update can be applied by simply updating an environment variable. Other software titles require more specific instructions.

//Please note that these new servers are in the .byu.edu domain (not .ee.byu.edu).//

^  SOFTWARE  ^  LICENSE SERVER(PORT@SERVER)  ^  ENVIRONMENT VARIABLE  ^
|  ADS (Agilent/Keysight)  |  27000@ece-ads.byu.edu  |  ADS_LICENSE_FILE  |
|  Altera  |  27001@ece-altera.byu.edu  |  LM_LICENSE_FILE  |
|  Cadence  |  5280@ece-cadence.byu.edu  |  LM_LICENSE_FILE  |
|  COMSOL  |  1718@ece-comsol.byu.edu  |  |
|  LabVIEW  |  27003@ece-labview.byu.edu  |  |
|  Libero  |  1702@ece-libero.byu.edu  |  LM_LICENSE_FILE  |
|  Matlab  |  1713@ece-matlab.byu.edu  | |
|  ModelSim/QuestaSim  |  1717@ece-modelsim.byu.edu  |  LM_LICENSE_FILE  |
|  Synopsys  |  27020@ece-synopsys.byu.edu  |  LM_LICENSE_FILE  |
|  Xilinx  |  2100@ece-xilinx.byu.edu  |  LM_LICENSE_FILE  |
*//Altium, ANSYS (including HFSS), and Mathematica are unaffected by this change//

===== Updating a Windows Environment Variable =====
In Windows 10, open the Settings app and search for "Edit the System Environment Variables." This will bring up the System Properties window. Select "Environment Variables" (near the bottom). The Environment Variables windows will then open. There are two sets of environment variables: user and system. We want to edit (or create) a system variable. Find it in the list on the bottom and click "Edit…" Change the information to match the data given above and click "OK." The change will be applied immediately.

{{:environment_variables.png}}

===== COMSOL =====
Re-run the COMSOL software installer. After specifying you language, select "Change License." On the next window, choose "Existing Paid License" from the License drop-down box, accept the terms of the license agreement, and choose "Port Number and Host Name" from the License Format drop-down box. Click Next and finish the installer. Completely re-installing the product should not be necessary. Pages 15-17 of the following installation guide is helpful in explaining this process: [[https://cdn.comsol.com/documentation/4.4.0.248/COMSOL_InstallationGuide.pdf]].

===== LabVIEW =====
Launch the NI License Manager. If version 4.0 of the License Manager is installed, select "Network Licenses" at the top and enter the license information from the table above. You will need to format the information by server:port (i.e. ece-labview.byu.edu:27003). In earlier versions of the license Manager, select "Options" in the top left corner, then "Preferences…" Check "Use Volume License Servers" and specify the information as given above. This article is a helpful explanation of the options: [[https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z000000P6oDSAS]].

===== Matlab =====
Change the [[:wiki:sysop:matlab_license_dat|network.lic]] file located in Matlab's "licenses" directory to read the following:

  SERVER ece-matlab.byu.edu 0050560103BE 1713
  USE_SERVER

The licenses directory is found in the following locations:

  * Windows – C:\Program Files\MATLAB\<version>\licenses
  * macOS – /Applications/Matlab <version>.app/licenses/
  * Linux - /usr/local/MATLAB/<version>/licenses
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