How To Fix SAPC_MESSAGE045 - Incorrect protocol type in application &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPC_MESSAGE -

• Message number: 045

• Message text: Incorrect protocol type in application &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAPC_MESSAGE045 - Incorrect protocol type in application &1 ?

  The SAP error message SAPC_MESSAGE045 with the description "Incorrect protocol type in application &1" typically indicates that there is a mismatch or an issue with the communication protocol being used by the application specified in the message. This can occur in various scenarios, such as when connecting to a database, using RFC (Remote Function Call), or when integrating with other systems.
  Causes:
  
  Protocol Mismatch: The application is trying to use a protocol that is not supported or is incorrectly configured.
  Configuration Issues: Incorrect settings in the SAP system or in the external application that is trying to connect.
  Network Issues: Problems with the network configuration that prevent the correct protocol from being used.
  Version Incompatibility: The version of the application or the SAP system may not support the protocol being used.
  Firewall or Security Settings: Security settings may be blocking the required protocol.
  
  Solutions:
  
  Check Configuration: Verify the configuration settings in both the SAP system and the external application. Ensure that the correct protocol is specified and supported.
  Update Protocol Settings: If a specific protocol is required, ensure that it is enabled and correctly configured in both systems.
  Network Configuration: Check the network settings to ensure that there are no issues preventing the correct protocol from being used.
  Review Documentation: Consult the documentation for both the SAP system and the external application to ensure compatibility and correct usage of protocols.
  Check for Updates: Ensure that both the SAP system and the external application are updated to the latest versions, as updates may include fixes for protocol-related issues.
  Firewall Settings: Review firewall and security settings to ensure that they are not blocking the required communication protocols.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes often provide specific guidance for resolving issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Logs and Traces: Review system logs and traces for more detailed error messages that may provide additional context for the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or technical support for further investigation.