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4.5.2. Upgrading the FLEXlm License Manager Server Software
| Windows* |  | 
| Linux |  | 
If the lmgrd or alterad daemons are not version 11.16.1.0, you must upgrade both daemons with the versions that the Intel® Quartus® Prime software provides.
You can only have one vendor daemon running at a time on a single system. For example, alterad and mgcld can co-exist, but you cannot have two running daemons of alterad. If you have an Intel FPGA software license and Questa*-Intel® FPGA Edition Software license, and also have other Siemens EDA* Questa* software license. You can either merge all of them into a single file or put all Siemens EDA* Questa* software licenses in a single file. If you do the later, you need to remove the VENDOR mgcld line from the Intel FPGA software license file. You cannot have Siemens EDA* licenses across two files for the same license server.
If a soft reload through the lmutil lmreread command failed, shut down the current license daemons before reloading them again.
To upgrade an older version of the FLEXlm software:
- Make a backup copy of your current lmgrd and alterad daemons.
-  Copy the new versions of the files to the license server over your current daemons.  
    If you installed the FLEXlm software using the Intel® Quartus® Prime installer, the current versions of the lmgrd and alterad daemons are in: Windows* <installation-directory>\quartus\bin64\alterad.exe<installation-directory>\quartus\bin64\lmgrd.exeLinux /<installation-directory>/quartus/linux64/alterad<installation-directory>/quartus/linux64/lmgrd
-  Restart the FLEXlm license server by typing at a command prompt: 
    Windows* <FLEXlm system directory>\lmutil lmdown -c <license file path><FLEXlm system directory>\lmgrd -c <license file path>[-l <optional log path>]Linux /<FLEXlm system directory>/lmutil lmdown -c <license file path>/<FLEXlm system directory>/lmgrd -c <license file path> [-l <optional log path>]