Cant connect to opc server after reinstall on new computer. Lookout 6.7

[Kenwatson]

Reinstalled Lookout 6.7 on windows 10 computer from a windows 7 computer.  OPC client connects to server but does not see any tags.  Help Help Help.  Windows Pro 10 operating system.  Trying to connect Win 911 to alarm tags.  Thank you in advance.

Ken