It stabilizes the connection between the WinCC Server and WebNavigator or DataMonitor clients. Installation Prerequisites
While Update 1 makes WinCC 7.0 SP3 a robust environment, it is important to remember that Version 7.0 is now in the "legacy" phase of its lifecycle. Microsoft has ended support for Windows 7, meaning your underlying OS is likely vulnerable. wincc 7.0 sp3 update 1
Reduced lag when editing complex process screens with high object counts. Why You Should Install Update 1 It stabilizes the connection between the WinCC Server
After updating, ensure your network settings in the Simatic Shell are still pointing to the correct network adapter, especially in multi-homed systems. The Path Forward: Migration wincc 7.0 sp3 update 1