If you want to use a v16 licnese on v18, it has to be moved first
Location of .ini license file for PowerOlap Client and PowerOlap Personal:
Path: C:\Users\<current user>\AppData\Local\PowerOLAP
File: PowerOLAP.ini
Citrix Environment (usually): \\servername\share\%username%\AppData\Local\PowerOLAP\PowerOLAP.ini
Location of .ini license file for PowerOlap Server
Path: C:\program data\powerolap
File: PowerOLAPServer.ini
Location of .ini license file for Scheduler:
Path: C:\program data\powerolap
File: "PowerOLAPScheduler.ini" and "PowerOLAPAPI.ini"
Location of .ini license file for DRDC:
Path: C:\programdata\powerolap
File: DRDC.ini
Location of .ini license file for PowerExcel:
Path: Check both the PowerOlap Client location as well as the Excel add-in location (check which bit of Excel to know which path)
File: PowerOlapExcel.ini or something similar
*Writer licenses have to be voided, you cannot add an unlock*