Siemens SIMATIC NET Manual page 286

A Notes for Users of Older Versions
SOFTNET-S7 up to version 5.3 for Windows 2000 Pro, Windows NT 4.0 or
Windows 98
Situation:
Windows 98 is no longer supported.
An S7 project engineering configuration created with the COML S7 program
cannot be used.
What to do:
Under Windows 98, use the SIMATIC NET CD 05/2000.
A project engineering configuration created with the COML S7 program must be
recreated with SIMATIC NCM PC V5.1 Service Pack 2 or higher or STEP 7
Version 5.1 Service Pack 2 or higher.
If the project engineering configuration was already created with STEP 7 (XDB),
this STEP 7 project can continue to be used. You only need to download the
project engineering data to the CP/PC station from STEP 7 Version 5.1 Service
Pack 2 or higher.
286
Commissioning PC Stations - Manual and Quick Start
C79000-G8976-C156-07
Release 5/2005