While upgrading from 14.x or 15.0.x to 15.1 or later. The migration fails to complete stating it could not find at least two versions of DLP installed.
Exception: Failed to find at least two versions of Symantec DLP installed.
allinstdirs0666-0815-9407-7025and value of your previous DLP installation directory e.g. D:\SymantecDLP
instdir0666-0815-9407-7025with the same value as used above (Installation directory e.g. D:\SymantecDLP).
Your regsitry should reflect the above values, such as in the example below: