Message type: E = Error
Message class: ATO_CTMS_OUTBOUND - CTMS Outbound Integration
Message number: 002
Message text: Failed to establish connection
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ATO_CTMS_OUTBOUND002
- Failed to establish connection ?The SAP error message ATO_CTMS_OUTBOUND002: Failed to establish connection typically indicates that there is an issue with the connection between the SAP system and an external system or service, such as a middleware, a web service, or another SAP system. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information: Causes: Network Issues: There may be network connectivity problems between the SAP system and the external system. Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to connection failures. Firewall Restrictions: Firewalls may be blocking the connection attempts between the systems. Service Availability: The external service or system may be down or not available. Authentication Issues: Problems with user credentials or authentication methods can prevent successful connections. Protocol Mismatch: The communication protocol (e.g., HTTP, HTTPS, RFC) may not be correctly configured or supported. Solutions: Check Network Connectivity: Use tools like ping or traceroute to verify
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