Update 1 Upd - Wincc 70 Sp3

Here is the exact sequence to apply the .upd file to a WinCC 7.0 SP3 engineering station.

WinCC 7.0 SP3 Update 1 (sometimes listed as "UPD" or "Update1") is a maintenance update for Siemens SIMATIC WinCC V7.0 Service Pack 3. It provides bug fixes, stability improvements, security patches, and compatibility updates for supported WinCC components and related Siemens automation software. This article summarizes the changes, compatibility notes, prerequisites, installation steps, and troubleshooting tips. wincc 70 sp3 update 1 upd

WinCC 7.0 SP3 base had a known issue with high-frequency archiving. If you logged more than 15,000 tags per second, the internal SQL Server queries would occasionally deadlock, freezing the Process Tag Logging Runtime. Update 1 introduced a new deadlock retry mechanism and optimized index hints for the tag logging tables. Here is the exact sequence to apply the

Do not blindly click “Next.” Uncheck any components you have not licensed. Specifically: Update 1 introduced a new deadlock retry mechanism

⚠️ End of Support Notice: Please be aware that WinCC V7.0 SP3 is a legacy product. Siemens has since released WinCC V7.2, V7.3, V7.4, V7.5, and V7.6.

Before installing Update 1, ensure the following conditions are met: