How To Fix ITS_P020 - Connection to SAP system is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: ITS_P - Web Gui Plug-In

• Message number: 020

• Message text: Connection to SAP system is not possible

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ITS_P020 - Connection to SAP system is not possible ?

  The SAP error message "ITS_P020 Connection to SAP system is not possible" typically indicates that there is an issue with the connection between the Internet Transaction Server (ITS) and the SAP backend system. This can occur 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 ITS server and the SAP backend system.
  Configuration Errors: Incorrect configuration settings in the ITS or the SAP system can lead to connection failures.
  Service Availability: The SAP system may be down or not running, or the specific service required by ITS may not be active.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection between the ITS and the SAP system.
  Incorrect URL: The URL used to access the SAP system may be incorrect or malformed.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the ITS server can reach the SAP backend system. You can use tools like ping or telnet to test connectivity.
  Verify that there are no network outages or issues.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the ITS configuration files (e.g., its.conf or sap.conf) to ensure they are correct.
  Ensure that the SAP system is correctly defined in the ITS configuration.
  
  
  
  Verify SAP System Status:
  
  Check if the SAP system is up and running. You can do this by logging into the SAP GUI or using transaction codes like SM51 to check the status of application servers.
  Ensure that the necessary services (like HTTP or HTTPS) are active in the SAP system.
  
  
  
  Check User Authorizations:
  
  Verify that the user credentials used for the connection have the necessary authorizations to access the SAP system.
  Check the user roles and profiles in the SAP system.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls between the ITS and the SAP system allow traffic on the required ports (e.g., port 8000 for HTTP, port 443 for HTTPS).
  Review any security settings that may be blocking the connection.
  
  
  
  Validate the URL:
  
  Double-check the URL used to access the SAP system from the ITS. Ensure it is correctly formatted and points to the right server and port.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to ITS and connection issues. SAP frequently updates its knowledge base with solutions to common problems.
  Logs: Review the logs on both the ITS server and the SAP system for any error messages or warnings that could provide more context about the connection issue.
  Documentation: Refer to the official SAP documentation for ITS configuration and troubleshooting for more detailed guidance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.