The default file name and location for the outbound password file is in the server instance’s home directory under config/txnPassStore.dat. To change it, locate and modify the following property:

This property must always be present and uncommented. If you want to change the file name or location, change the highlighted area only. You can specify an absolute or relative path. In the path name, use the forward slash (/) only; the backward slash (\) is not supported.