There is no practical method to automate saving the existing registry settings that are set on the client machines. It is therefore recommended to manually save the settings from the client machine before the new script has a chance to delete the settings from the registry. Then use those settings to populate the related fields for the NLA feature in Global Options. To obtain a copy of the existing NLA settings on the client machine, run REGEDIT and navigate to the following registry location listed below for the respective platform. Simply take a screenshot the values and all of the data in each value or export the ScriptLogic key into a .Reg file and
Support can assist to help parse out the settings.
32-bit: HKEY_LOCAL_MACHINE\SOFTWARE\ScriptLogic
64-bit: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ScriptLogic