Symptom
While accessing an SAP system through an SAP Web Dispatcher, a "503 Service not available" error is seen in the browser.
The error message "Server is not responding to ping requests: Server state currently unknown" is observed at the Web Dispatcher Web Admin UI, or at the SAP MMC, while monitoring the application servers of the affected system.
The backend system is operational and accessing it directly (bypassing the Web Dispatcher) works.
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Environment
- SAP Netweaver release independent
- Client/Server Technology - ICM (Internet Communication Manager)
- Client/Server Technology - Web Dispatcher
Product
Keywords
503 Service unavailable , KBA , BC-CST-WDP , Web Dispatcher , BC-CST , Client/Server Technology , Problem
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