A Basic Application Could Not Be Started Wincc 75 Jun 2026

The Windows user you are logged in with must have specific permissions. Ensure the user is a member of the local Windows group . Additionally, domain users with local administrator rights can sometimes experience issues due to domain policies.

Only modify these if you understand the security implications. Consider backing up DCOM settings first.

Look for errors with the Source "SQL Server (WINCC)" or "WinCC". These logs provide specific details on whether it's a permission issue or a missing file. Proactive Maintenance Tips a basic application could not be started wincc 75

What Causes "A Basic Application Could Not Be Started" in WinCC 7.5?

The "A basic application could not be started" error is a common and frustrating issue encountered by engineers using Siemens WinCC 7.5. This error message often appears when trying to create a new WinCC project or open an existing one, and it can bring development to a sudden halt. This guide explores the root causes of this error and provides a structured, step-by-step approach to resolve it. The Windows user you are logged in with

Given that the SQL Server is often the "basic application" in question, its status should be your primary check. Open the Windows Services management console (run services.msc ). Look for the service named . Its status should be "Running" . If it is stopped or does not exist, your WinCC installation is likely corrupt.

Ensure your user account is a member of the group. Verify Computer Name : Only modify these if you understand the security

Siemens actively addresses known bugs through service packs and updates. The issue may be a known problem with your specific version. For instance, WinCC V7.5 Servicepack 2 had a known issue related to the Terminal Bus network adapter.

WinCC 7.5 / "A basic application could not be started" message