Check for Event ID 10010 in Windows Event Viewer. Ensure DCOM is enabled and configured correctly. ⚠️ Advanced Troubleshooting

Based on standard industry troubleshooting and Siemens support documentation, the failure of a "basic application" usually stems from three core areas:

in WinCC 7.5 (often followed by "please check your software license") typically indicates a deep-seated communication failure between WinCC and its underlying SQL Server instance, or a critical software incompatibility.