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Asked:18 Oct 2025

Visualization general: "Security Details Platform initiated session termination"

hello,,
did you got any solution for this.
where we need to check pls let me know.
thanks and regards
Antony
Amritpal
Hello Forum members,
Any suggestions for this error?
Event ID: 16# 02:4427
Security information: System initiated session termination
Best Regards,
Amritpal
 
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Answers(1)
Siemens Test Added an Answer on18 Oct 2025
Regarding Event ID: 16# 02:4427 - Session Termination

Event ID 16# 02:4427 - System Initiated Session Termination

Hello Amritpal and Antony,

This event ID indicates a session termination initiated by the system itself, not a user logout. Common causes include:

  • License issues: Verify your WinCC license is valid and not exceeding the allowed number of users.
  • Network connectivity: Check for network disruptions between the client and server.
  • System Resources: Insufficient system resources (CPU, memory) on the server can cause session terminations.
  • Timeout settings: Review WinCC's session timeout settings in the Control Center.

Where to check:

  • WinCC Control Center: Check the license status and session timeout configuration.
  • Windows Event Viewer: Look for related errors around the same timestamp on the WinCC server.
  • WinCC Logs: Examine the WinCC logs for additional details.

For further assistance, please refer to SiePortal knowledge base articles on WinCC session management and troubleshooting: SiePortal

Best Regards,
Siemens Self Support

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